From ericdj at seas.upenn.edu Tue Nov 1 12:07:21 2022 From: ericdj at seas.upenn.edu (Eric Johnston) Date: Tue, 1 Nov 2022 12:07:21 -0400 Subject: [labnetwork] Providing chemical gloves to users Message-ID: Hi All We are reassessing how we should be providing heavier chemical gloves for our users, especially for use with HF. I am curious about how everyone else is handling these types of gloves. For example: - Is each user responsible for their own pair of gloves? - Is there a common set of gloves that are replaced periodically? - Are chemical gloves single use and then disposed of? - Do you use one type of glove material for all processing? I would be happy to summarize the responses for everyone. Thanks Eric Eric Johnston Director, Quattrone Nanofabrication Facility Singh Center for Nanotechnology University of Pennsylvania 3205 Walnut Street, #116 ericdj at seas.upenn.edu T. 215.573.6695 -------------- next part -------------- An HTML attachment was scrubbed... URL: From Kevin.Hilgers at asu.edu Tue Nov 1 12:42:26 2022 From: Kevin.Hilgers at asu.edu (Kevin Hilgers) Date: Tue, 1 Nov 2022 16:42:26 +0000 Subject: [labnetwork] GCA-8500 Stepper Up for Auction Message-ID: Hello, ASU's NanoFab is auctioning off a GCA-8500 Stepper. The tool was purchased as a refurbished unit from 3c Technical in February of 2015. The GCA-8500 is currently operational and being sold as-is where-is at ASU's NanoFab class 100 cleanroom. It is recommended that the tool be decommissioned by a qualified personnel and transported via an air ride vehicle. Transport will also require the proper tool crating. https://www.govdeals.com/index.cfm?fa=Main.Item&itemid=2064&acctid=7547 Tool resides in class 100 cleanroom and can be viewed by prior arrangement with the NanoFab's Director of Operations, Kevin Hilgers Kevin.Hilgers at ASU.edu Best regards, Kevin Kevin Hilgers Director of Operations NanoFab, Office of Knowledge Enterprise Development Arizona State University 551 E. Tyler Mall, ERC153, Mail Code 6206 Tempe, AZ 85287-6206 -------------- next part -------------- An HTML attachment was scrubbed... URL: From jaransom at uark.edu Tue Nov 1 13:36:55 2022 From: jaransom at uark.edu (John Ransom) Date: Tue, 1 Nov 2022 17:36:55 +0000 Subject: [labnetwork] wet bench manufacturer recommendations In-Reply-To: <1FA79977-6B47-42C2-A19C-FB258627E4ED@gmail.com> References: <1FA79977-6B47-42C2-A19C-FB258627E4ED@gmail.com> Message-ID: Wafer Process Systems inc. out of San Jose, CA ? Doug Caldwell is the contact. Regards, John Ransom Program Manager ? MUSiC Facility Multi-User SiC Fabrication Facility University of Arkansas From: labnetwork On Behalf Of Robert MacDonald Sent: Monday, October 31, 2022 6:56 PM To: Morrison, Richard H., Jr Cc: labnetwork at mtl.mit.edu Subject: Re: [labnetwork] wet bench manufacturer recommendations waFab is a possibility. Thanks, Rob Sent from my iDidntspellcheckit On Oct 31, 2022, at 19:54, Morrison, Richard H., Jr > wrote: ? I would check out ClassOne Rick Richard Morrison PMTS Draper Laboratory 555 Technology Square Cambridge Ma 02139 Office: 617-258-3420 Cell: 508-930-3461 From: labnetwork > On Behalf Of Kyle Keenan Sent: Monday, October 31, 2022 9:56 AM To: Lab Network (labnetwork at mtl.mit.edu) > Subject: [labnetwork] wet bench manufacturer recommendations Hello All, We are in the process of soliciting bids from wet bench vendors for a new installation project in our lab. Aside from Reynoldstech, I would be interested in hearing from you about manufacturers who you would be comfortable recommending. Thank you for your time. -- Kyle Keenan Laboratory Manager Quattrone Nanofabrication Facility University of Pennsylvania P: 215-898-7560 F: 215-573-4925 _______________________________________________ labnetwork mailing list labnetwork at mtl.mit.edu https://mtl.mit.edu/mailman/listinfo.cgi/labnetwork -------------- next part -------------- An HTML attachment was scrubbed... URL: From chonglee at solsonaenterprise.com Tue Nov 1 18:48:25 2022 From: chonglee at solsonaenterprise.com (chonglee at solsonaenterprise.com) Date: Tue, 1 Nov 2022 18:48:25 -0400 Subject: [labnetwork] Corona discharge tool for electrets Message-ID: <090301d8ee44$0e040180$2a0c0480$@solsonaenterprise.com> My colleagues at UCSD Nano3 says they don't have an equipment that can embed a charge into an oxide film. Does anyone know if MIT Nano has this corona discharge capability? Who to contact? Or anyone else in west coast who has this tool? -- Chong -------------- next part -------------- An HTML attachment was scrubbed... URL: From sieb at 4dlabs.ca Tue Nov 1 19:23:51 2022 From: sieb at 4dlabs.ca (Nathanael Sieb) Date: Tue, 1 Nov 2022 16:23:51 -0700 Subject: [labnetwork] Providing chemical gloves to users In-Reply-To: References: Message-ID: <1adae14a-1a18-2231-59c6-88535b853216@4dlabs.ca> Hi Eric, In our facility we have levels of PPE required.? Inside the Clean Room standard cleanroom gloves are required at all times to prevent particle contamination.? A second pair of gloves is required for any work on the wet-benches or spin coaters.? These gloves are single-use and can be disposed of in the Clean Room solid chemical waste if they get contaminated.? For HF, BOE, Nanostrip, acids, etc., a third pair of elbow-length thicker nitrile gloves, an apron, and a face shield is required.? These items are dedicated for the acid work and re-usable.? We would replace them if they are damaged. Outside the Clean Room we have similar protocols except we don't have the initial layer to prevent particle contamination and we don't use cleanroom-grade gloves. I hope that helps a bit. Thanks, Nathanael On 2022-11-01 9:07 a.m., Eric Johnston wrote: > Hi All > > We are reassessing how we should be providing heavier chemical gloves > for our users, especially for?use with HF. I am curious about how > everyone?else is handling?these types of?gloves. For example: > - Is each user responsible for their own pair of gloves? > - Is there a common set of gloves that are replaced periodically? > - Are chemical gloves single use and then disposed of? > - Do you use one type of glove material for all processing? > > I would be happy to summarize the responses for everyone. > > Thanks > > Eric > > Eric Johnston > Director, Quattrone Nanofabrication Facility > Singh Center for Nanotechnology > University of Pennsylvania > 3205 Walnut Street, #116 > ericdj at seas.upenn.edu > T. 215.573.6695 > > _______________________________________________ > labnetwork mailing list > labnetwork at mtl.mit.edu > https://mtl.mit.edu/mailman/listinfo.cgi/labnetwork *Nathanael Sieb * Director of Operations and Administration ?| 4D LABS Simon Fraser University 8888 University Dr., Burnaby, B.C. V5A 1S6 T: 778.782.8084?| F: 778.782.3765 | www.4dlabs.ca Facebook ?| Twitter ?| LinkedIn -------------- next part -------------- An HTML attachment was scrubbed... URL: From nnelsonf at uwaterloo.ca Wed Nov 2 10:18:09 2022 From: nnelsonf at uwaterloo.ca (Nathan Nelson - Fitzpatrick) Date: Wed, 2 Nov 2022 14:18:09 +0000 Subject: [labnetwork] Providing chemical gloves to users In-Reply-To: References: Message-ID: <5A0ED362-DDF1-47FA-B8A5-4150D16610D3@uwaterloo.ca> Hi Eric, Here at Waterloo we use the 22 mil, Ansell Solvex nitrile gloves (18? length) for all of our acid, base, KOH, Piranha and HF wetbenches. We do not stock any other glove type. * Gloves are assigned and stationed at a specific wetbench (we stock 3 sizes as standard). They are not to leave the wetbench. * Gloves are common to all users, replaced at a 1 month frequency. * Gloves are inspected by staff sporadically (usually when processing chemical waste) Thanks, -Nathan -- Nathan Nelson-Fitzpatrick PhD, PEng Director, Quantum-Nano Fabrication and Characterization Facility (QNFCF) Office of Research University of Waterloo 200 University Avenue West, Waterloo, ON N2L 3G1 P: 519-888-4567 ext. 31796 C: 226-218-3206 https://uwaterloo.ca/quantum-nano-fabrication-and-characterization-facility/ [signature_629005916] From: labnetwork on behalf of Eric Johnston Date: Tuesday, November 1, 2022 at 3:47 PM To: "labnetwork at mtl.mit.edu" Subject: [labnetwork] Providing chemical gloves to users Hi All We are reassessing how we should be providing heavier chemical gloves for our users, especially for use with HF. I am curious about how everyone else is handling these types of gloves. For example: - Is each user responsible for their own pair of gloves? - Is there a common set of gloves that are replaced periodically? - Are chemical gloves single use and then disposed of? - Do you use one type of glove material for all processing? I would be happy to summarize the responses for everyone. Thanks Eric Eric Johnston Director, Quattrone Nanofabrication Facility Singh Center for Nanotechnology University of Pennsylvania 3205 Walnut Street, #116 ericdj at seas.upenn.edu T. 215.573.6695 -------------- next part -------------- An HTML attachment was scrubbed... URL: -------------- next part -------------- A non-text attachment was scrubbed... Name: image001.png Type: image/png Size: 11998 bytes Desc: image001.png URL: From hollingshead.19 at osu.edu Wed Nov 2 13:51:05 2022 From: hollingshead.19 at osu.edu (Hollingshead, Dave) Date: Wed, 2 Nov 2022 17:51:05 +0000 Subject: [labnetwork] Providing chemical gloves to users In-Reply-To: <1adae14a-1a18-2231-59c6-88535b853216@4dlabs.ca> References: <1adae14a-1a18-2231-59c6-88535b853216@4dlabs.ca> Message-ID: Hi Eric, We provide shared Trionic gloves for our heavy chemical PPE needs. They are replaced as needed with an extra supply that is kept next to each wet bench. We also make a particular point during our hood training that users must leak check the shared gloves prior to each use by inflating with N2. They are required to demonstrate this technique before we check them off on the hood. -Dave From: labnetwork On Behalf Of Nathanael Sieb Sent: Tuesday, November 1, 2022 19:24 To: labnetwork at mtl.mit.edu Subject: Re: [labnetwork] Providing chemical gloves to users Hi Eric, In our facility we have levels of PPE required.? Inside the Clean Room standard cleanroom gloves are required at all times to prevent particle contamination.? A second pair of gloves is required for any work on the wet-benches or spin Hi Eric, In our facility we have levels of PPE required. Inside the Clean Room standard cleanroom gloves are required at all times to prevent particle contamination. A second pair of gloves is required for any work on the wet-benches or spin coaters. These gloves are single-use and can be disposed of in the Clean Room solid chemical waste if they get contaminated. For HF, BOE, Nanostrip, acids, etc., a third pair of elbow-length thicker nitrile gloves, an apron, and a face shield is required. These items are dedicated for the acid work and re-usable. We would replace them if they are damaged. Outside the Clean Room we have similar protocols except we don't have the initial layer to prevent particle contamination and we don't use cleanroom-grade gloves. I hope that helps a bit. Thanks, Nathanael On 2022-11-01 9:07 a.m., Eric Johnston wrote: Hi All We are reassessing how we should be providing heavier chemical gloves for our users, especially for use with HF. I am curious about how everyone else is handling these types of gloves. For example: - Is each user responsible for their own pair of gloves? - Is there a common set of gloves that are replaced periodically? - Are chemical gloves single use and then disposed of? - Do you use one type of glove material for all processing? I would be happy to summarize the responses for everyone. Thanks Eric Eric Johnston Director, Quattrone Nanofabrication Facility Singh Center for Nanotechnology University of Pennsylvania 3205 Walnut Street, #116 ericdj at seas.upenn.edu T. 215.573.6695 _______________________________________________ labnetwork mailing list labnetwork at mtl.mit.edu https://mtl.mit.edu/mailman/listinfo.cgi/labnetwork Nathanael Sieb Director of Operations and Administration | 4D LABS Simon Fraser University 8888 University Dr., Burnaby, B.C. V5A 1S6 T: 778.782.8084 | F: 778.782.3765 | www.4dlabs.ca Facebook | Twitter | LinkedIn [http://www.4dlabs.ca/content/dam/sfu/4dlabs/images/SFU_4DLabs_logo.png] -------------- next part -------------- An HTML attachment was scrubbed... URL: From carl.chow at hpe.com Thu Nov 3 12:40:24 2022 From: carl.chow at hpe.com (Chow, Carl) Date: Thu, 3 Nov 2022 16:40:24 +0000 Subject: [labnetwork] Providing chemical gloves to users In-Reply-To: References: Message-ID: Eric: Our standard cleanroom gloves are from VWR, Certi Clean Class 10. After consulting glove selection charts, such as at https://safety.fsu.edu/safety_manual/OSHA%20Glove%20Selection%20Chart.pdf we saw that butyl gloves were good for most of our chemicals. So we ordered the VWR Showr Butyl II 874R glove for chemical waste handling in the service chase. (this glove is not powder-free) I requested a quote from VWR for the powder-free version. They were $280/pair, minimum 15 pairs. This was out of our budget. We use Ansell Acitek, size 8 and 9, natural rubber latex, for our chemical glove, but lately, they have been breaking down after 1-2 uses, so they must be checked carefully before each use. All gloves ordered centrally (with input from researchers, especially on size), disposal in hazardous waste can. Regards, Carl Chow Hewlett Packard Labs From: labnetwork On Behalf Of Eric Johnston Sent: Tuesday, November 1, 2022 9:07 AM To: labnetwork at mtl.mit.edu Subject: [labnetwork] Providing chemical gloves to users Hi All We are reassessing how we should be providing heavier chemical gloves for our users, especially for use with HF. I am curious about how everyone else is handling these types of gloves. For example: - Is each user responsible for their own pair of gloves? - Is there a common set of gloves that are replaced periodically? - Are chemical gloves single use and then disposed of? - Do you use one type of glove material for all processing? I would be happy to summarize the responses for everyone. Thanks Eric Eric Johnston Director, Quattrone Nanofabrication Facility Singh Center for Nanotechnology University of Pennsylvania 3205 Walnut Street, #116 ericdj at seas.upenn.edu T. 215.573.6695 -------------- next part -------------- An HTML attachment was scrubbed... URL: From beaudoin at physics.ubc.ca Thu Nov 3 20:22:19 2022 From: beaudoin at physics.ubc.ca (Beaudoin, Mario) Date: Thu, 3 Nov 2022 17:22:19 -0700 Subject: [labnetwork] Laser Integration, Quantum Silicon Photonics, edX Introduction to Silicon Photonics In-Reply-To: References: Message-ID: -------- Forwarded Message -------- Subject: Laser Integration, Quantum Silicon Photonics, edX Introduction to Silicon Photonics Date: Fri, 4 Nov 2022 00:13:52 +0000 From: Lukas Chrostowski - SiEPIC silicon photonics program Reply-To: us9-8d7a0a324a-65f20094ad at inbound.mailchimpapp.net To: Mario Laser Integration, Quantum Silicon Photonics, edX Introduction to Silicon Photonics [*CAUTION:* Non-UBC Email] News and updates from the Silicon Electronic-Photonic Integrated Circuits (Si-EPIC) Program : Workshop on Laser Integration?(Online) Silicon photonic integrated circuits have allowed for incredible advances in a number of fields, in part due to the manufacturability of CMOS compatible processes. However, silicon is a poor light emitter, and the integration of compound semiconductor lasers with silicon photonics remains a common challenge. We are excited to announce the upcoming _SiEPICfab-ePIXfab Workshop on Laser Integration in Silicon Photonics_ which brings together experts in various fields to discuss the most promising approaches of laser integration and the applications that will be enabled by this capability. * Dates: November 21, 2022 to November 24, 2022: 8AM to 10AM Pacific / 11AM to 1PM Eastern / 5PM to 7PM CET * Format: Virtual on Zoom * Registration and information: https://epixfab.eu/trainings/upcoming-trainings/lilm2022/ NSERC CREATE BC ? CMC Quantum Silicon Photonics Workshop?(in person) Quantum computing has the potential to solve problems beyond the capabilities of conventional supercomputers. It could revolutionize?the advancement of several fields, including biochemistry, finance, logistics, and artificial intelligence. Two photonic quantum computers have reached the milestone of quantum advantage (Jian-Wei Pan?s group at the University of Science and Technology of China, and Xanadu in Toronto, Canada). Building a quantum computer using integrated silicon photonics provides the advantage of a scalable platform based on silicon manufacturing. The NSERC CREATE Quantum BC program and CMC Microsystems bring to you a workshop on the design, fabrication, and testing of quantum silicon photonic circuits used in quantum computer hardware. We invite you to join the workshop taking place in person at The University of British Columbia from February 20 to 24, 2023. The workshop will teach participants how to design, simulate, fabricate, and test their own quantum silicon photonic circuits. Students will gain an understanding of the fundamentals of quantum optics and how photonics can be used for quantum computing, and about the types of problems that can be solved on photonic-based processors, particularly with Xanadu?s cloud-accessed quantum processor. During the workshop, students will practice creating a design and layout of a quantum silicon photonic circuit. Students will brainstorm and pitch their circuit idea to researchers at leading universities and industry. After the workshop, students will have several months to complete their design, and submit their circuits for fabrication by a foundry (Applied Nanotools ) facilitated by CMC. Participants will test their chips using equipment at their own university, or by their own arrangements such as via a collaboration with the workshop instructors and/or visits with their facilities. The focus of the workshop is on devices and circuits that can be fabricated in the chosen silicon photonics processes. ?The processes are based on silicon wafers with a choice of either Si or SiN waveguides surrounded by silicon oxide cladding (SiNOI or SOI), metal heaters for phase shifters, and a deep trench etch for edge coupling or photonic wire bond packaging to optical fibres. Topics: * Introduction to quantum silicon photonics, quantum optics theory, and non-linear optics * Introduction to quantum optical computing * Introduction to silicon photonic components * Photonic devices including waveguides using Si and SiN, single photon and photon pair sources, squeezed state generation, single photon detectors, interferometers, phase tuning elements, cavities and cavity quantum electrodynamics (cQED) * Quantum gate circuits: Non-Linear Sign, CNOT, Squeezed State * Photonic quantum circuit algorithms * Circuit simulation using Xanadu?s Strawberry Fields and Ansys/Lumerical Quantum INTERCONNECT * Quantum photonics fabrication processes * Physical implementation of quantum photonic devices * Process design kit * Layout creation using KLayout and SiEPIC-Tools * Test methods, equipment, facilities, design for test rules * Photonic quantum computing approaches discrete variable, continuous variable, Gaussian Boson Sampling, and cluster states * Applications of photonics-based quantum computing Register on the CMC web pa ge. Introduction to Silicon Photonics Design course (online) The next online class Silicon Photonics Design, Fabrication and Data Analysis starts on January 17, 2023 on the edX platform. Please spread the word to anyone who may be interested, especially those new to silicon photonics. This course allows students to design circuits which are fabricated and tested, and serves as an excellent introduction to the field. Course summary: * Learn how to model and design passive silicon photonic components and circuits, with an emphasis on the Mach-Zehnder Interferometer. * Create a design using open-source and commercial tools, including Ansys-Lumerical Solutions, Luceda, KLayout, MATLAB and Python. * Includes an Electron Beam Lithography?fabrication tape-out, via the Applied Nanotools NanoSOI process , and automated probe station measurements. Facebook Silicon Photonics Facebook Silicon Photonics SiEPIC Web SiEPIC Web SiEPIC on LinkedIn SiEPIC on LinkedIn /Copyright ? 2022 University of British Columbia, All rights reserved./ You are receiving this from past participation in silicon photonics fabrication / workshops. *Our mailing address is:* University of British Columbia 2332 Main Mall Vancouver, Bc v6t 0a5 Canada Add us to your address book Want to change how you receive these emails? You can update your preferences or unsubscribe from this list Email Marketing Powered by Mailchimp -- -------------- next part -------------- An HTML attachment was scrubbed... URL: -------------- next part -------------- A non-text attachment was scrubbed... Name: Mario Beaudoin SBQMI sig 2.jpg Type: image/jpeg Size: 21446 bytes Desc: not available URL: From mtang at stanford.edu Fri Nov 4 12:14:27 2022 From: mtang at stanford.edu (Mary Tang) Date: Fri, 4 Nov 2022 09:14:27 -0700 Subject: [labnetwork] New positions at the Stanford Nanofab (SNF) Message-ID: Dear fellow fab nerds - I'm super-pleased to be able to say that we're GROWING out staff! We've got exciting new projects (well, "exciting" by fab nerd standards) and would welcome enthusiastic, creative, team oriented, technical people to join us in our adventures.? We have these two positions currently open below - and anticipate a couple more in coming months.? (Any questions about any of these positions, please feel free to reach out.) Process Engineer: https://careersearch.stanford.edu/jobs/process-engineer-19273 Semiconductor Equipment Maintenance Engineer: https://careersearch.stanford.edu/jobs/semiconductor-equipment-maintenance-engineer-19272 Cheers! Mary -- Mary X. Tang, Ph.D. Managing Director Stanford Nanofabrication Facility Paul G. Allen Building 420 Via Palou Mall Stanford, CA 94305 https://snf.stanford.edu mtang at stanford.edu -------------- next part -------------- An HTML attachment was scrubbed... URL: From michael.martin at louisville.edu Mon Nov 7 12:10:26 2022 From: michael.martin at louisville.edu (Martin, Michael) Date: Mon, 7 Nov 2022 17:10:26 +0000 Subject: [labnetwork] New positions at the Stanford Nanofab (SNF) In-Reply-To: References: Message-ID: Hi Mary, It looks like both positions are at a grade "I" but a cursory look at Stanford's website for what pay range that is seems to lead to a login wall. Do you know what this pay range is? Regards, Michael ________________________________ From: labnetwork on behalf of Mary Tang Sent: Friday, November 4, 2022 12:14 PM To: labnetwork at mtl.mit.edu Subject: [labnetwork] New positions at the Stanford Nanofab (SNF) CAUTION: This email originated from outside of our organization. Do not click links, open attachments, or respond unless you recognize the sender's email address and know the contents are safe. Dear fellow fab nerds - I'm super-pleased to be able to say that we're GROWING out staff! We've got exciting new projects (well, "exciting" by fab nerd standards) and would welcome enthusiastic, creative, team oriented, technical people to join us in our adventures. We have these two positions currently open below - and anticipate a couple more in coming months. (Any questions about any of these positions, please feel free to reach out.) Process Engineer: https://careersearch.stanford.edu/jobs/process-engineer-19273 Semiconductor Equipment Maintenance Engineer: https://careersearch.stanford.edu/jobs/semiconductor-equipment-maintenance-engineer-19272 Cheers! Mary -- Mary X. Tang, Ph.D. Managing Director Stanford Nanofabrication Facility Paul G. Allen Building 420 Via Palou Mall Stanford, CA 94305 https://snf.stanford.edu mtang at stanford.edu -------------- next part -------------- An HTML attachment was scrubbed... URL: From andrew.lingley at montana.edu Mon Nov 7 16:58:23 2022 From: andrew.lingley at montana.edu (Lingley, Andrew) Date: Mon, 7 Nov 2022 21:58:23 +0000 Subject: [labnetwork] Used cleanroom coveralls, hoods, and boots Message-ID: Hi Labnetwork, Does anyone have a good source for used cleanroom apparel? We need more coveralls, boots, and hoods. Thanks, Andy -------------- next part -------------- An HTML attachment was scrubbed... URL: From duyp at mail.smu.edu Mon Nov 7 17:31:32 2022 From: duyp at mail.smu.edu (Phan, Duy) Date: Mon, 7 Nov 2022 22:31:32 +0000 Subject: [labnetwork] Mimir Power Supply Message-ID: Hello All, Does anyone know a company that is servicing the Mimir power supply? It's recently went bad on our HTG Mask Aligner System. Thanks for your help. Duy Phan Laboratory Manager ECE Department Southern Methodist University P: 214-768-3256 -------------- next part -------------- An HTML attachment was scrubbed... URL: From eric.fluckiger at utah.edu Mon Nov 7 19:05:22 2022 From: eric.fluckiger at utah.edu (Eric Fluckiger) Date: Mon, 7 Nov 2022 17:05:22 -0700 Subject: [labnetwork] LLZO (lithium lanthanum zirconium oxide) sputtering Message-ID: All, We have a user that wants to use our Denton Discovery 18 to sputter a thin film of LLZO. We are concerned about allowing this material into the cleanroom and tool for a few different reasons (toxicity, cross-contamination, reactivity, etc.) but I at least wanted to reach out to see if anyone has allowed this type of material in their sputter deposition tools and if there were any significant issues that should make this type of deposition in a shared piece of equipment and cleanroom a hard no. We want to accommodate our users, but we can't risk contaminating the equipment for every user just to appease one. I would love to hear your thoughts or experiences with this material. Thanks in advance for any advice or guidance you can provide. Eric Fluckiger Utah Nanofab -------------- next part -------------- An HTML attachment was scrubbed... URL: From mmoneck at andrew.cmu.edu Tue Nov 8 09:53:52 2022 From: mmoneck at andrew.cmu.edu (Matthew Moneck) Date: Tue, 8 Nov 2022 09:53:52 -0500 Subject: [labnetwork] Providing chemical gloves to users In-Reply-To: References: <1adae14a-1a18-2231-59c6-88535b853216@4dlabs.ca> Message-ID: Hi Eric, We use the same procedure as Dave highlighted below, including the use of shared trionic gloves. I will add that we ask our users to double glove with our standard cleanroom nitrile gloves ahead of donning the chemical gloves. In addition, we have a taped off safety zone around the benches. In order to avoid potential contamination of other surfaces in the lab, we instruct users not to wear the gloves outside of that zone. I should also note that we consider the procedure Dave described for inflating the gloves (i.e. leak checking) prior to use to be very important, as we have found that the trionic gloves do dry out and ultimately crack in the cleanroom environment, especially with continued exposure to DI water. We therefore swap them out regularly. Best Regards, Matt -- *Matthew T. Moneck, Ph.D* Executive Director, Claire & John Bertucci Nanotechnology Laboratory Electrical & Computer Engineering | Carnegie Mellon University 5000 Forbes Avenue, Pittsburgh, PA 15213-3890 Phone: 412-268-5430 ece.cmu.edu nanofab.ece.cmu.edu *From:* labnetwork *On Behalf Of *Hollingshead, Dave *Sent:* Wednesday, November 2, 2022 1:51 PM *To:* Nathanael Sieb ; labnetwork at mtl.mit.edu *Subject:* Re: [labnetwork] Providing chemical gloves to users Hi Eric, We provide shared Trionic gloves for our heavy chemical PPE needs. They are replaced as needed with an extra supply that is kept next to each wet bench. We also make a particular point during our hood training that users must leak check the shared gloves prior to each use by inflating with N2. They are required to demonstrate this technique before we check them off on the hood. -Dave *From:* labnetwork *On Behalf Of *Nathanael Sieb *Sent:* Tuesday, November 1, 2022 19:24 *To:* labnetwork at mtl.mit.edu *Subject:* Re: [labnetwork] Providing chemical gloves to users Hi Eric, In our facility we have levels of PPE required. Inside the Clean Room standard cleanroom gloves are required at all times to prevent particle contamination. A second pair of gloves is required for any work on the wet-benches or spin Hi Eric, In our facility we have levels of PPE required. Inside the Clean Room standard cleanroom gloves are required at all times to prevent particle contamination. A second pair of gloves is required for any work on the wet-benches or spin coaters. These gloves are single-use and can be disposed of in the Clean Room solid chemical waste if they get contaminated. For HF, BOE, Nanostrip, acids, etc., a third pair of elbow-length thicker nitrile gloves, an apron, and a face shield is required. These items are dedicated for the acid work and re-usable. We would replace them if they are damaged. Outside the Clean Room we have similar protocols except we don't have the initial layer to prevent particle contamination and we don't use cleanroom-grade gloves. I hope that helps a bit. Thanks, Nathanael On 2022-11-01 9:07 a.m., Eric Johnston wrote: Hi All We are reassessing how we should be providing heavier chemical gloves for our users, especially for use with HF. I am curious about how everyone else is handling these types of gloves. For example: - Is each user responsible for their own pair of gloves? - Is there a common set of gloves that are replaced periodically? - Are chemical gloves single use and then disposed of? - Do you use one type of glove material for all processing? I would be happy to summarize the responses for everyone. Thanks Eric Eric Johnston Director, Quattrone Nanofabrication Facility Singh Center for Nanotechnology University of Pennsylvania 3205 Walnut Street, #116 ericdj at seas.upenn.edu T. 215.573.6695 _______________________________________________ labnetwork mailing list labnetwork at mtl.mit.edu https://mtl.mit.edu/mailman/listinfo.cgi/labnetwork *Nathanael Sieb * Director of Operations and Administration | 4D LABS Simon Fraser University 8888 University Dr., Burnaby, B.C. V5A 1S6 T: 778.782.8084 | F: 778.782.3765 | www.4dlabs.ca Facebook | Twitter | LinkedIn [image: Image removed by sender.] -------------- next part -------------- An HTML attachment was scrubbed... URL: -------------- next part -------------- A non-text attachment was scrubbed... Name: image002.jpg Type: image/jpeg Size: 560 bytes Desc: not available URL: From Kevin.Hilgers at asu.edu Tue Nov 8 13:20:01 2022 From: Kevin.Hilgers at asu.edu (Kevin Hilgers) Date: Tue, 8 Nov 2022 18:20:01 +0000 Subject: [labnetwork] GCA-8500 Stepper Up for Auction with No Reserve Price Message-ID: Hello, ASU's NanoFab is re-auctioning off a GCA-8500 Stepper with no reserve price. The tool was purchased as a refurbished unit from 3c Technical in February of 2015. The GCA-8500 is currently operational and being sold as-is where-is at ASU's NanoFab class 100 cleanroom. It is recommended that the tool be decommissioned by a qualified personnel and transported via an air ride vehicle. Transport will also require the proper tool crating. https://www.govdeals.com/index.cfm?fa=Main.Item&itemid=2064&acctid=7547 Tool resides in class 100 cleanroom and can be viewed by prior arrangement with the NanoFab's Director of Operations, Kevin Hilgers Kevin.Hilgers at ASU.edu Best regards, Kevin Kevin Hilgers Director of Operations NanoFab, Office of Knowledge Enterprise Development Arizona State University 551 E. Tyler Mall, ERC153, Mail Code 6206 Tempe, AZ 85287-6206 -------------- next part -------------- An HTML attachment was scrubbed... URL: From odc1n08 at soton.ac.uk Tue Nov 8 14:44:00 2022 From: odc1n08 at soton.ac.uk (Owain Clark) Date: Tue, 8 Nov 2022 19:44:00 +0000 Subject: [labnetwork] Providing chemical gloves to users In-Reply-To: References: <1adae14a-1a18-2231-59c6-88535b853216@4dlabs.ca> Message-ID: We also see the issue of drying out with the Trionic gloves, and from speaking to other cleanrooms it is a common story. I theorise something in the production may have changed as we did not have a real problem until 1-2 years ago when it abruptly drastically accelerated and gloves from some production batches would start to fail in a matter of days. Whitening and then cracking at the fingertips is the typical first point of failure. We put it down to air humidity control after a short investigation, daily moistening with ultra-pure water prolonged lifetime for us. Being exposed to light seemed to accelerate the process also. Now we keep a pair of gloves per user stored in a labelled box inside a dark cupboard away from room airflow, no more issues since. Inflation testing is vital, we use these gloves on top of CR gloves and due to potential hazards of HF and fuming nitric in particular chances cannot be taken. We also tape out areas around benches, not to be entered without acid PPE (gloves, apron, full face visor)and not to be left without cleaned and dried acid gloves. We also stock hexaflorine and diphoterine close to the acid benches, all users to be trained in their use and rapid response requirements. No HF processing without a hexaflourine trained backup (staff or user) nearby within response time in case of incident. Owain. From: labnetwork On Behalf Of Matthew Moneck Sent: 08 November 2022 14:54 To: Hollingshead, Dave ; Nathanael Sieb ; labnetwork at mtl.mit.edu Subject: Re: [labnetwork] Providing chemical gloves to users CAUTION: This e-mail originated outside the University of Southampton. Hi Eric, We use the same procedure as Dave highlighted below, including the use of shared trionic gloves. I will add that we ask our users to double glove with our standard cleanroom nitrile gloves ahead of donning the chemical gloves. In addition, we have a taped off safety zone around the benches. In order to avoid potential contamination of other surfaces in the lab, we instruct users not to wear the gloves outside of that zone. I should also note that we consider the procedure Dave described for inflating the gloves (i.e. leak checking) prior to use to be very important, as we have found that the trionic gloves do dry out and ultimately crack in the cleanroom environment, especially with continued exposure to DI water. We therefore swap them out regularly. Best Regards, Matt -- Matthew T. Moneck, Ph.D Executive Director, Claire & John Bertucci Nanotechnology Laboratory Electrical & Computer Engineering | Carnegie Mellon University 5000 Forbes Avenue, Pittsburgh, PA 15213-3890 Phone: 412-268-5430 ece.cmu.edu nanofab.ece.cmu.edu From: labnetwork > On Behalf Of Hollingshead, Dave Sent: Wednesday, November 2, 2022 1:51 PM To: Nathanael Sieb >; labnetwork at mtl.mit.edu Subject: Re: [labnetwork] Providing chemical gloves to users Hi Eric, We provide shared Trionic gloves for our heavy chemical PPE needs. They are replaced as needed with an extra supply that is kept next to each wet bench. We also make a particular point during our hood training that users must leak check the shared gloves prior to each use by inflating with N2. They are required to demonstrate this technique before we check them off on the hood. -Dave From: labnetwork > On Behalf Of Nathanael Sieb Sent: Tuesday, November 1, 2022 19:24 To: labnetwork at mtl.mit.edu Subject: Re: [labnetwork] Providing chemical gloves to users Hi Eric, In our facility we have levels of PPE required.? Inside the Clean Room standard cleanroom gloves are required at all times to prevent particle contamination.? A second pair of gloves is required for any work on the wet-benches or spin Hi Eric, In our facility we have levels of PPE required. Inside the Clean Room standard cleanroom gloves are required at all times to prevent particle contamination. A second pair of gloves is required for any work on the wet-benches or spin coaters. These gloves are single-use and can be disposed of in the Clean Room solid chemical waste if they get contaminated. For HF, BOE, Nanostrip, acids, etc., a third pair of elbow-length thicker nitrile gloves, an apron, and a face shield is required. These items are dedicated for the acid work and re-usable. We would replace them if they are damaged. Outside the Clean Room we have similar protocols except we don't have the initial layer to prevent particle contamination and we don't use cleanroom-grade gloves. I hope that helps a bit. Thanks, Nathanael On 2022-11-01 9:07 a.m., Eric Johnston wrote: Hi All We are reassessing how we should be providing heavier chemical gloves for our users, especially for use with HF. I am curious about how everyone else is handling these types of gloves. For example: - Is each user responsible for their own pair of gloves? - Is there a common set of gloves that are replaced periodically? - Are chemical gloves single use and then disposed of? - Do you use one type of glove material for all processing? I would be happy to summarize the responses for everyone. Thanks Eric Eric Johnston Director, Quattrone Nanofabrication Facility Singh Center for Nanotechnology University of Pennsylvania 3205 Walnut Street, #116 ericdj at seas.upenn.edu T. 215.573.6695 _______________________________________________ labnetwork mailing list labnetwork at mtl.mit.edu https://mtl.mit.edu/mailman/listinfo.cgi/labnetwork Nathanael Sieb Director of Operations and Administration | 4D LABS Simon Fraser University 8888 University Dr., Burnaby, B.C. V5A 1S6 T: 778.782.8084 | F: 778.782.3765 | www.4dlabs.ca Facebook | Twitter | LinkedIn [Image removed by sender.] -------------- next part -------------- An HTML attachment was scrubbed... URL: -------------- next part -------------- A non-text attachment was scrubbed... Name: image001.jpg Type: image/jpeg Size: 444 bytes Desc: image001.jpg URL: From rlc12 at cornell.edu Tue Nov 8 15:33:46 2022 From: rlc12 at cornell.edu (Rebecca Lee Vliet) Date: Tue, 8 Nov 2022 20:33:46 +0000 Subject: [labnetwork] Registration is now OPEN! January 2023 CNF TCN VIRTUAL Short Course Message-ID: Registration is now OPEN! CNF Technology & Characterization at the Nanoscale (CNF TCN) VIRTUAL Short Course January 18, 2023 - January 20, 2023 The CNF TCN virtual short course will be held Wednesday, January 18, 2023 - Friday, January 20, 2023, daily from 11:00am to 4:00pm (EDT). Each day offers lectures and laboratory demonstrations designed to impart a broad understanding of the science and technology required to undertake research in nanoscience. TCN is an ideal way for faculty, students, post docs and staff members to rapidly come up to speed in many of the technologies that users of the CNF need to employ. Members of the high tech business community will also find it an effective way to learn best practices for success in a nanofab environment. Attendance is open to the general scientific community. Note: The short course does not replace the three part training required to become a user of our facility. To become a CNF user, please visit the "Getting Started" link (https:cnf.cornell.edu/howto) on the CNF website. For more information and to register visit: https://cnf.cornell.edu/education/tcn (Registration deadline, January 6, 2023) [Diagram, timeline Description automatically generated] -------------- next part -------------- An HTML attachment was scrubbed... URL: -------------- next part -------------- A non-text attachment was scrubbed... Name: image001.jpg Type: image/jpeg Size: 205276 bytes Desc: image001.jpg URL: From qleonard at wisc.edu Wed Nov 9 09:09:39 2022 From: qleonard at wisc.edu (Quinn Leonard) Date: Wed, 9 Nov 2022 08:09:39 -0600 Subject: [labnetwork] Providing chemical gloves to users In-Reply-To: References: <1adae14a-1a18-2231-59c6-88535b853216@4dlabs.ca> Message-ID: <4448e2a3-9236-e2d5-6fe4-d282dc4df920@wisc.edu> The quality of the Trionic gloves seems to have changed for the worse about the same time they changed their packaging during the pandemic, going from a pair of gloves in a sealed bag to a dozen pairs loose in a bag and closed by the same bag lock they use on loaves of bread. Here at Wisconsin, we issue each lab member who uses our corrosives benches their own pair of gloves in their appropriate size, along with a large Ziplock bag to store them in. This seems to slow the deterioration of the glove material. We teach lab members to do inflation testing by stretching the glove's cuff taught, spinning it to seal it, and squeezing it. In our lab, many of the N2 guns are inside the wet benches, and lab members may not reach into the bench without gloves on, so they can't use those guns to do inflation testing. - Quinn On 11/8/2022 1:44 PM, Owain Clark wrote: > > We also see the issue of drying out with the Trionic gloves, and from > speaking to other cleanrooms it is a common story. I theorise > something in the production may have changed as we did not have a real > problem until 1-2 years ago when it abruptly drastically accelerated > and gloves from some production batches would start to fail in a > matter of days. Whitening and then cracking at the fingertips is the > typical first point of failure. We put it down to air humidity control > after a short investigation, daily moistening with ultra-pure water > prolonged lifetime for us. Being exposed to light seemed to accelerate > the process also. Now we keep a pair of gloves per user stored in a > labelled box inside a dark cupboard away from room airflow, no more > issues since. > > Inflation testing is vital, we use these gloves on top of CR gloves > and due to potential hazards of HF and fuming nitric in particular > chances cannot be taken. We also tape out areas around benches, not to > be entered without acid PPE (gloves, apron, full face visor)and not to > be left without cleaned and dried acid gloves. > > We also stock hexaflorine and diphoterine close to the acid benches, > all users to be trained in their use and rapid response requirements. > No HF processing without a hexaflourine trained backup (staff or user) > nearby within response time in case of incident. > > Owain. > > *From:*labnetwork *On Behalf Of > *Matthew Moneck > *Sent:* 08 November 2022 14:54 > *To:* Hollingshead, Dave ; Nathanael Sieb > ; labnetwork at mtl.mit.edu > *Subject:* Re: [labnetwork] Providing chemical gloves to users > > *CAUTION:*This e-mail originated outside the University of Southampton. > > Hi Eric, > > We use the same procedure as Dave highlighted below, including the use > of shared trionic gloves.? I will add that we ask our users to double > glove with our standard cleanroom nitrile gloves ahead of donning the > chemical gloves.? In addition, we have a taped off safety zone around > the benches.? In order to avoid potential contamination of other > surfaces in the lab, we instruct users not to wear the gloves outside > of that zone. > > I should also note that we consider the procedure Dave described for > inflating the gloves (i.e. leak checking)prior to use to be very > important, as we have found that the trionic gloves do dry out and > ultimately crack in the cleanroom environment, especially with > continued exposure to DI water.? We therefore swap them out regularly. > > Best Regards, > > Matt > > -- > > *Matthew T. Moneck, Ph.D* > > Executive Director, Claire & John Bertucci Nanotechnology Laboratory > > Electrical & Computer Engineering | Carnegie Mellon University > > 5000 Forbes Avenue, Pittsburgh, PA 15213-3890 > > Phone: 412-268-5430 > > ece.cmu.edu > > > nanofab.ece.cmu.edu > > > *From:*labnetwork *On Behalf Of > *Hollingshead, Dave > *Sent:* Wednesday, November 2, 2022 1:51 PM > *To:* Nathanael Sieb ; labnetwork at mtl.mit.edu > *Subject:* Re: [labnetwork] Providing chemical gloves to users > > Hi Eric, > > We provide shared Trionic gloves for our heavy chemical PPE needs. > They are replaced as needed with an extra supply that is kept next to > each wet bench. We also make a particular point during our hood > training that users must leak check the shared gloves prior to each > use by inflating with N2. They are required to demonstrate this > technique before we check them off on the hood. > > -Dave > > *From:*labnetwork *On Behalf Of > *Nathanael Sieb > *Sent:* Tuesday, November 1, 2022 19:24 > *To:* labnetwork at mtl.mit.edu > *Subject:* Re: [labnetwork] Providing chemical gloves to users > > Hi Eric, In our facility we have levels of PPE required.? Inside the > Clean Room standard cleanroom gloves are required at all times to > prevent particle contamination.?? A second pair of gloves is required > for any work on the wet-benches or spin > > Hi Eric, > > In our facility we have levels of PPE required.? Inside the Clean Room > standard cleanroom gloves are required at all times to prevent > particle contamination.? A second pair of gloves is required for any > work on the wet-benches or spin coaters.? These gloves are single-use > and can be disposed of in the Clean Room solid chemical waste if they > get contaminated.? For HF, BOE, Nanostrip, acids, etc., a third pair > of elbow-length thicker nitrile gloves, an apron, and a face shield is > required.? These items are dedicated for the acid work and re-usable.? > We would replace them if they are damaged. > > Outside the Clean Room we have similar protocols except we don't have > the initial layer to prevent particle contamination and we don't use > cleanroom-grade gloves. > > I hope that helps a bit. > > Thanks, > Nathanael > > On 2022-11-01 9:07 a.m., Eric Johnston wrote: > > Hi All > > We are reassessing how we should be providing heavier chemical > gloves for our users, especially for?use with HF. I am curious > about how everyone?else is handling?these types of?gloves. For > example: > > - Is each user responsible for their own pair of gloves? > > - Is there a common set of gloves that are replaced periodically? > > - Are chemical gloves single use and then disposed of? > > - Do you use one type of glove material for all processing? > > I would be happy to summarize the responses for everyone. > > Thanks > > Eric > > > Eric Johnston > > Director, Quattrone Nanofabrication Facility > > Singh Center for Nanotechnology > > University of Pennsylvania > > 3205 Walnut Street, #116 > > ericdj at seas.upenn.edu > > T. 215.573.6695 > > _______________________________________________ > > labnetwork mailing list > > labnetwork at mtl.mit.edu > > https://mtl.mit.edu/mailman/listinfo.cgi/labnetwork > > > *Nathanael Sieb*** > Director of Operations and Administration ?| 4D LABS > > Simon Fraser University > 8888 University Dr., Burnaby, B.C. V5A 1S6 > T: 778.782.8084?| F: 778.782.3765 | www.4dlabs.ca > > Facebook > ?| > Twitter > ?| > LinkedIn > > > Image removed by sender. > > > _______________________________________________ > labnetwork mailing list > labnetwork at mtl.mit.edu > https://mtl.mit.edu/mailman/listinfo.cgi/labnetwork -- Quinn Leonard Nanoscale Fabrication Center University of Wisconsin-Madison Room 3112 Engineering Centers Building 1550 Engineering Drive Madison, WI 53706 (608) 890-3030 https://wcnt.wisc.edu/center-for-nanoscale-fabrication-2/ -------------- next part -------------- An HTML attachment was scrubbed... URL: -------------- next part -------------- A non-text attachment was scrubbed... Name: image001.jpg Type: image/jpeg Size: 444 bytes Desc: not available URL: From ericdj at seas.upenn.edu Thu Nov 10 14:51:15 2022 From: ericdj at seas.upenn.edu (Eric Johnston) Date: Thu, 10 Nov 2022 14:51:15 -0500 Subject: [labnetwork] Providing chemical gloves to users In-Reply-To: References: Message-ID: Hi All Here is a summary of the answers to my questions about chemical glove use: Is each user responsible for their own pair of gloves? - One group issues a pair of gloves to each individual. They are kept in a Ziploc bag and replaced as requested. Is there a common set of gloves that are replaced periodically? - Everyone else who responded indicated that they provide a common set of gloves. These are inspected on a weekly basis to a monthly basis. Are chemical gloves single use and then disposed of? - Nobody uses these gloves as single-use. - One group simply double gloves with the standard nitrile cleanroom gloves for most chemical work, then the outer gloves are disposed of. Do you use one type of glove material for all processing? - Almost everyone uses Trionic for all chemical work. - We use the Ansell Solvex gloves for HF (they cover more of the forearm) and the Trionic for all else. The Trionic gloves certainly provide more dexterity than the heavier Solvex gloves. Other notes: - Testing: this is done either with a nitrogen gun to fill the glove, or twisting it closed to inflate the palm and digits. If the nitrogen gun is located in the chemical hood for which they will be using the gloves, one might look askance at that. - There were a couple of notes about Trionic gloves cracking prematurely. In one case it was noted that DI accelerated the degradation, and another DI water retarded degradation. I guess the message here is: Keep an eye on your Trionic gloves for premature cracking. - Butyl II 874R glove, not powder-free (powder-free was VERY expensive) Best Regards Eric On Tue, Nov 1, 2022 at 12:07 PM Eric Johnston wrote: > Hi All > > We are reassessing how we should be providing heavier chemical gloves for > our users, especially for use with HF. I am curious about how everyone else > is handling these types of gloves. For example: > - Is each user responsible for their own pair of gloves? > - Is there a common set of gloves that are replaced periodically? > - Are chemical gloves single use and then disposed of? > - Do you use one type of glove material for all processing? > > I would be happy to summarize the responses for everyone. > > Thanks > > Eric > > Eric Johnston > Director, Quattrone Nanofabrication Facility > Singh Center for Nanotechnology > University of Pennsylvania > 3205 Walnut Street, #116 > ericdj at seas.upenn.edu > T. 215.573.6695 > -------------- next part -------------- An HTML attachment was scrubbed... URL: From iandreu at uri.edu Fri Nov 11 09:52:12 2022 From: iandreu at uri.edu (Irene Andreu) Date: Fri, 11 Nov 2022 09:52:12 -0500 Subject: [labnetwork] Job Opportunity: Facility director at University of Rhode Island, USA Message-ID: Dear microfabrication community, The University of Rhode Island is looking for a new director for the Rhode Island Consortium for Nanoscience and Nanotechnology, a multi-user materials characterization core facility. Although not a microfab position, this job opportunity might be interesting for those with metrology expertise. The RI Consortium of Nanoscience and Nanotechnology is part of the College of Engineering Shimadzu Research Core facility. The facility is located in the new Fascitelli Center for Advanced Engineering. built in 2019. The facility hosts more than $10M in equipment including a Zeiss Sigma VP field-emission scanning electron microscope and a JEOL F200 scanning transmission electron microscope with a K3 direct electron camera and EDX and EELS capability. Both electron microscopes have cryogenic capabilities. Other instruments are a WITec Alpha confocal Raman microscope, Shimadzu Fourier-transform infrared spectroscope and microscope, a Shimadzu scanning probe microscope, a Zeiss Versa Xradia 610 X-ray microscope, a Shimadzu X-ray fluorescence microscope, a Rigaku Ultima IV X-Ray diffractometer, and a Perkin Elmer Opera Phenix high content confocal microscope. The facility serves URI students, faculty and staff, as well as other academic institutions and industrial partners. For more information, please go to https://jobs.uri.edu/postings/10880 Or go to jobs.uri.edu, select Professional Staff and search for job number SF01456 For those interested in this position or for any informal inquiries please contact me at iandreu at uri.edu Best, Irene -- Irene Andreu, PhD Assistant professor, Chemical Engineering Scientific Director, RI Consortium for Nanoscience and Nanotechnology, www.uri.edu/nano University of Rhode Island 308 Fascitelli Center for Advanced Engineering -------------- next part -------------- An HTML attachment was scrubbed... URL: From kurt.kupcho at wisc.edu Fri Nov 11 13:35:42 2022 From: kurt.kupcho at wisc.edu (Kurt Kupcho) Date: Fri, 11 Nov 2022 18:35:42 +0000 Subject: [labnetwork] ebeam evap of Bismuth Message-ID: Hi Labnetwork I am wondering if anyone out there allows the deposition of Bi in their ebeam evaporator and any potential problems it may cause related to safety or vacuum chamber contamination/particulate generation. Bismuth as a solid material seems rather safe but I have no experience with it in PVD tools. Any info or experiences you could share with me is much appreciated. Thanks Kurt Kurt Kupcho Materials Science Engineer Nanoscale Fabrication Center (NFC) University of Wisconsin 1550 Engineering Dr. ECB 3110 Madison, WI 53706 E: kurt.kupcho at wisc.edu T: 608-262-2982 [cid:image001.png at 01D8F5CA.1B039C50] -------------- next part -------------- An HTML attachment was scrubbed... URL: -------------- next part -------------- A non-text attachment was scrubbed... Name: image001.png Type: image/png Size: 30076 bytes Desc: image001.png URL: From mhofheins at unm.edu Fri Nov 11 13:54:39 2022 From: mhofheins at unm.edu (Mark Hofheins) Date: Fri, 11 Nov 2022 18:54:39 +0000 Subject: [labnetwork] Nanometrics Nanospec/AFT Tencor printer Message-ID: Hello All, We have a Nanometrics Nanospec/AFT with a Tencor printer here at the University of New Mexico. The printer has stopped functioning. It uses thermal printing. It goes through all the motions, but does not print when scanning across the paper. Does anyone have a printer that will interface that they want to get rid of? Mark Hofheins mhofheins at unm.edu Cell 505-259-9278 Office 505-272-7506 Micro Electronics Technician Manufacturing Engineering/ School of Engineering University of New Mexico MTTC 800 Bradbury S.E. Suit 169 Albuquerque, New Mexico 87106-4346 -------------- next part -------------- An HTML attachment was scrubbed... URL: From mpleil at unm.edu Fri Nov 11 15:14:30 2022 From: mpleil at unm.edu (Matthias Pleil) Date: Fri, 11 Nov 2022 20:14:30 +0000 Subject: [labnetwork] UNM looking for Cleanroom Manager Message-ID: The University of New Mexico is looking for a Cleanroom Manager for the Center for High Tech Materials (CHTM). See the link below for details. https://www.linkedin.com/jobs/view/3350453271 Position Summary The University of New Mexico (UNM) Center for High Technology Materials (CHTM) offers an exciting opportunity for a research scientist to manage its nano-fabrication facility. The CHTM nanofabrication facility comprises a four-bay cleanroom, three bays of which are Class 1000 and one bay of which is Class 100 in which metal evaporators, Inductively Coupled Plasma (ICP) etchers, photolithographic equipment, and other equipment are situated. Various materials characterization equipment as well as an Interferometric Lithography (IL) system are located elsewhere in the facility. All nano-fabrication and materials characterization equipment comprise the CHTM user facility at UNM that supports our micro/nano device and material research activities. Principal responsibilities will be operating, supervising operation, and maintaining all service center equipment. CHTM was first established as one of five Centers of Technical Excellence (CTE) by the New Mexico legislature, with an initial infusion of approximately $10M in funding that was spread over the years from 1983 to 1988. The late Art Guenther, in his capacity as the Governor?s science advisor, was instrumental in shepherding the CTEs through the legislature. In 1985, Bill Streifer joined UNM as CHTM?s first Director and the research focus of the Center was initially set as high-power laser diodes. CHTM?s facilities have grown steadily over the years. In 1993, the people of New Mexico voted in favor of an educational bond issue in support of building the current 60,000 sq. ft. CHTM main building, which was completed in 1997. The extensive modern cleanroom in the main building provides capabilities for the fabrication of advanced semiconductor devices from epitaxial structures grown at CHTM. Also within the main building are nearly two dozen laboratories that house high power lasers, scanning electron microscopes, devices for molecular beam epitaxy, and advanced workstations for numerical simulations of atomic structures and beam propagation within laser cavities. Kind Regards, Matthias Pleil, Ph.D. Director Manufacturing Engineering Program UNM MTTC Cleanroom Manager -------------- next part -------------- An HTML attachment was scrubbed... URL: From yb2471 at columbia.edu Fri Nov 11 17:44:38 2022 From: yb2471 at columbia.edu (Youry Borisenkov) Date: Fri, 11 Nov 2022 17:44:38 -0500 Subject: [labnetwork] ebeam evap of Bismuth In-Reply-To: References: Message-ID: Hi Kurt, We ?forced? the Bismuth users to try the ?dirty? thermal evaporator for their process first. We make sure to deposit a 50-100 nm Ti film prior their deposition, a new boat and a new Bi material is always used and the users pump overnight when loading their samples, bringing the chamber pressure to high-8 mbar pressure range. So far they (and we) are happy. I got a negative feedback from the ebeam vendor with regards to Bismuth deposition, since it?s such a low melting/vapor pressure point metal. It will be very hard to get rid of, because it will get on many unshielded surfaces. Theoretically you can get over this issue by encapsulating the Bi with thick Ti layer after Bi deposition in a shared ebeam tool, but luckily we didn?t have to test this theory. *So eventually we never tried it in the ebeam. * I will be happy to hear from experience of someone who did, since we do get many requests for Bi, and I?m not sure for how long we will be able to keep accommodating these on the thermal evap. Hope that is helpful. Best, Youry CNI- Columbia University On Fri, Nov 11, 2022 at 3:42 PM Kurt Kupcho wrote: > Hi Labnetwork > > > > I am wondering if anyone out there allows the deposition of Bi in their > ebeam evaporator and any potential problems it may cause related to safety > or vacuum chamber contamination/particulate generation. > > > > Bismuth as a solid material seems rather safe but I have no experience > with it in PVD tools. > > > > Any info or experiences you could share with me is much appreciated. > > > > Thanks > > Kurt > > > > > > Kurt Kupcho > > Materials Science Engineer > > Nanoscale Fabrication Center (NFC) > > University of Wisconsin > > 1550 Engineering Dr > > . > > ECB 3110 > > Madison, WI 53706 > > E: kurt.kupcho at wisc.edu > > T: 608-262-2982 > > > _______________________________________________ > labnetwork mailing list > labnetwork at mtl.mit.edu > https://mtl.mit.edu/mailman/listinfo.cgi/labnetwork > -------------- next part -------------- An HTML attachment was scrubbed... URL: -------------- next part -------------- A non-text attachment was scrubbed... Name: image001.png Type: image/png Size: 30076 bytes Desc: not available URL: From olms0025 at umn.edu Mon Nov 14 17:11:43 2022 From: olms0025 at umn.edu (Brian K. Olmsted) Date: Mon, 14 Nov 2022 16:11:43 -0600 Subject: [labnetwork] furnace tube cleaning services? Message-ID: Hi, Does anyone know of a vendor that offers furnace tube cleaning services? I've got a tube that is about 75mm DIA x 2 meters that needs to be cleaned. Thanks, Brian K. Olmsted Associate Director of Laboratory Operations University of Minnesota | MNC cse.umn.edu/mnc 612.626.3287 olms0025 at umn.edu -------------- next part -------------- An HTML attachment was scrubbed... URL: From janvz at colorado.edu Tue Nov 15 20:31:44 2022 From: janvz at colorado.edu (janvz) Date: Tue, 15 Nov 2022 18:31:44 -0700 Subject: [labnetwork] Multiple job opportunities at Advanced Thin Films in Boulder CO Message-ID: <54103da0-370d-7f3e-6ea8-b36ab0d7db51@colorado.edu> Advanced Thin Films in Boulder, CO is hiring. We're looking for a Thin Film Equipment Engineer, Coating Engineer, Process Engineer, Quality & CI Manager, and more. Follow the link to the Thin Film Equipment Engineer position and the other available positions (click the search button on the same page). https://sfo.idexcorporation.jobs/boulder-co/thin-film-equipment-engineer/A372E0B462F64C44BDEF0B5C842DDBEC/job/ Best Regards, From jaransom at uark.edu Wed Nov 16 11:29:20 2022 From: jaransom at uark.edu (John Ransom) Date: Wed, 16 Nov 2022 16:29:20 +0000 Subject: [labnetwork] furnace tube cleaning services? In-Reply-To: References: Message-ID: Hi Brian, I will probably need that same service. I have contacted CGI. They are just outside of Dallas. It looks like they repair furnace tubes as well. I sent an inquiry. I will let you know what I find out. Regards John Ransom Program Manager - MUSiC Facility Multi-User SiC Fabrication Facility University of Arkansas From: labnetwork On Behalf Of Brian K. Olmsted Sent: Monday, November 14, 2022 4:12 PM To: Lab Network (labnetwork at mtl.mit.edu) Subject: [labnetwork] furnace tube cleaning services? Hi, Does anyone know of a vendor that offers furnace tube cleaning services? I've got a tube that is about 75mm DIA x 2 meters that needs to be cleaned. Thanks, Brian K. Olmsted Associate Director of Laboratory Operations University of Minnesota | MNC cse.umn.edu/mnc 612.626.3287 olms0025 at umn.edu -------------- next part -------------- An HTML attachment was scrubbed... URL: From cmurray at ferrologix.com Wed Nov 16 12:23:24 2022 From: cmurray at ferrologix.com (Coleman Murray) Date: Wed, 16 Nov 2022 09:23:24 -0800 Subject: [labnetwork] Questions on NiFe electroplating of wafers Message-ID: Hello, We currently have a process for electroplating NiFe structures onto glass wafers via a copper seed layer (Ti-Cu-Ti sandwich). We are looking to scale production of our glass chips to large panel formats but many vendors we are talking to are worried about copper contamination. Instead they prefer a Moly/Al/Moly. I'm interested in performing the NiFe plating using an Aluminum seed layer instead of Copper. Is this possible? Best, Coleman Murray, PhD Chief Operating Officer Ferrologix, Inc. This email and any files transmitted with it are confidential and intended solely for the use of the individual or entity to whom they are addressed. If you have received this email in error please notify the system manager. This message contains confidential information and is intended only for the individual named. If you are not the named addressee you should not disseminate, distribute or copy this e-mail. Please notify the sender immediately by e-mail if you have received this e-mail by mistake and delete this e-mail from your system. If you are not the intended recipient you are notified that disclosing, copying, distributing or taking any action in reliance on the contents of this information is strictly prohibited. -------------- next part -------------- An HTML attachment was scrubbed... URL: From michael.martin at louisville.edu Thu Nov 17 10:32:02 2022 From: michael.martin at louisville.edu (Martin, Michael) Date: Thu, 17 Nov 2022 15:32:02 +0000 Subject: [labnetwork] Heat tape recommendation? Message-ID: Hello, We are about to re-wrap our BCl3 line with heat tape and insulation and are in need of some advice. In the past we have used the rather expensive silicone constant wattage heaters with adjustable power control https://www.mcmaster.com/heat-tape/constant-wattage-heaters-with-adjustable-temperature-control-for-pipes-and-tubes/ . The problem we have is that these do not seem to last very long before burning out, and as I mentioned are quite expensive. Does anyone have a better solution? Longer lasting and cheaper? I should mention that we need only to keep the tubing at maybe 30C to prevent condensation of the BCl3 vapor. [https://images1.mcmaster.com/init/gfx/favicon/192x192.png?ver=1622796110] McMaster-Carr McMaster-Carr is the complete source for your plant with over 595,000 products. 98% of products ordered ship from stock and deliver same or next day. www.mcmaster.com I was looking at self-regulating heat tapes used to prevent pipes from freezing (an interesting technology in its own right) but am not sure they operate above room temperature given their intended application. https://www.thecarycompany.com/temperature-control/heating-cables/self-regulating-cables?temp_voltage=157510 The nice thing about these is that they evidently last for years. [https://www.thecarycompany.com/media/logo/default/the-cary-company-logo.png] Self-Regulating Heating Cables Automatically Adjust Your Heat Output With Self-Regulating Cables! Keep your pipes from freezing with our Self-Regulating Heating Cables. The cables automatically adjust heat output based on the surface temperature and can also be great for low-temperature process maintenance. The flexibility of the cables can help you get even the most hard to heat applications. Options thermoplastic and fluropolymer jackets as well as tinned copper braid outside finishes. Whether you need low, medium, or high temperature cables, shop and compare all of our selection to find the best fit for you! www.thecarycompany.com Also, do you have any recommendations for insulating tubing in a cleanroom environment? Regards, Michael Senior Process Engineer Micro/Nano Technology Center University of Louisville (502) 552-1945 Web page: https://louisville.edu/micronano Instagram: https://www.instagram.com/micronanolouisville/ Facebook https://www.facebook.com/MNTCUOFL/ YouTube: https://www.youtube.com/channel/UCGiczmq6wVIBJlM7UEGVW9Q -------------- next part -------------- An HTML attachment was scrubbed... URL: From schweig at umich.edu Thu Nov 17 13:45:42 2022 From: schweig at umich.edu (Dennis Schweiger) Date: Thu, 17 Nov 2022 13:45:42 -0500 Subject: [labnetwork] Heat tape recommendation? In-Reply-To: References: Message-ID: Michael, I've used this product for heating gas lines at other sites with success. Here at UofM we don't have any heat tracing on our gas lines. https://www.watlow.com/Products/Heaters/Gas-Delivery-and-Exhaust-Heaters/Stretch-To-Length Dennis Schweiger University of Michigan/LNF 734.647.2055 Ofc On Thu, Nov 17, 2022 at 1:12 PM Martin, Michael < michael.martin at louisville.edu> wrote: > Hello, > We are about to re-wrap our BCl3 line with heat tape and insulation and > are in need of some advice. In the past we have used the rather expensive > silicone constant wattage heaters with adjustable power control > https://www.mcmaster.com/heat-tape/constant-wattage-heaters-with-adjustable-temperature-control-for-pipes-and-tubes/ > . The problem we have is that these do not seem to last very long before > burning out, and as I mentioned are quite expensive. Does anyone have a > better solution? Longer lasting and cheaper? I should mention that we need > only to keep the tubing at maybe 30C to prevent condensation of the BCl3 > vapor. > > > McMaster-Carr > > McMaster-Carr is the complete source for your plant with over 595,000 > products. 98% of products ordered ship from stock and deliver same or next > day. > www.mcmaster.com > I was looking at self-regulating heat tapes used to prevent pipes from > freezing (an interesting technology in its own right) but am not sure they > operate above room temperature given their intended application. > https://www.thecarycompany.com/temperature-control/heating-cables/self-regulating-cables?temp_voltage=157510 > The nice thing about these is that they evidently last for years. > > > Self-Regulating Heating Cables > > Automatically Adjust Your Heat Output With Self-Regulating Cables! Keep > your pipes from freezing with our Self-Regulating Heating Cables. The > cables automatically adjust heat output based on the surface temperature > and can also be great for low-temperature process maintenance. The > flexibility of the cables can help you get even the most hard to heat > applications. Options thermoplastic and fluropolymer jackets as well as > tinned copper braid outside finishes. Whether you need low, medium, or high > temperature cables, shop and compare all of our selection to find the best > fit for you! > www.thecarycompany.com > Also, do you have any recommendations for insulating tubing in a cleanroom > environment? > > Regards, > Michael > > Senior Process Engineer > > Micro/Nano Technology Center > > University of Louisville > (502) 552-1945 > > Web page: https://louisville.edu/micronano > > > Instagram: https://www.instagram.com/micronanolouisville/ > > Facebook https://www.facebook.com/MNTCUOFL/ > YouTube: https://www.youtube.com/channel/UCGiczmq6wVIBJlM7UEGVW9Q > > _______________________________________________ > labnetwork mailing list > labnetwork at mtl.mit.edu > https://mtl.mit.edu/mailman/listinfo.cgi/labnetwork > -------------- next part -------------- An HTML attachment was scrubbed... URL: From spaolini at cns.fas.harvard.edu Thu Nov 17 14:19:05 2022 From: spaolini at cns.fas.harvard.edu (Paolini, Steven) Date: Thu, 17 Nov 2022 19:19:05 +0000 Subject: [labnetwork] Heat tape recommendation? In-Reply-To: References: Message-ID: Martin...., Don't do it!!!! The best way to keep gases like BCL3 from liquifying is to run them at sub-atmospheric pressures (05"HG). I have been doing this for decades with excellent results. It is simple physics; The lower the pressure, the lower the boiling point. You can achieve this with your current gas regulator but a sub atmospheric regulator is smoother and more precise. I am assuming that you are running this gas into a vacuum system, if so, the pressure delta will allow it to flow to a certain level. If you cannot achieve your maximum flow, increase the pressure slightly. Please contact me directly with any questions. Steve (Equipment Dood) Steve Paolini Principal Equipment Engineer Harvard University Center for Nanoscale Systems 11 Oxford St. Cambridge, MA 02138 617- 496- 9816 spaolini at cns.fas.harvard.edu www.cns.fas.harvard.edu From: labnetwork On Behalf Of Martin, Michael Sent: Thursday, November 17, 2022 10:32 AM To: labnetwork at mtl.mit.edu Subject: [labnetwork] Heat tape recommendation? Hello, We are about to re-wrap our BCl3 line with heat tape and insulation and are in need of some advice. In the past we have used the rather expensive silicone constant wattage heaters with adjustable power control https://www.mcmaster.com/heat-tape/constant-wattage-heaters-with-adjustable-temperature-control-for-pipes-and-tubes/ . The problem we have is that these do not seem to last very long before burning out, and as I mentioned are quite expensive. Does anyone have a better solution? Longer lasting and cheaper? I should mention that we need only to keep the tubing at maybe 30C to prevent condensation of the BCl3 vapor. [https://images1.mcmaster.com/init/gfx/favicon/192x192.png?ver=1622796110] McMaster-Carr McMaster-Carr is the complete source for your plant with over 595,000 products. 98% of products ordered ship from stock and deliver same or next day. www.mcmaster.com I was looking at self-regulating heat tapes used to prevent pipes from freezing (an interesting technology in its own right) but am not sure they operate above room temperature given their intended application. https://www.thecarycompany.com/temperature-control/heating-cables/self-regulating-cables?temp_voltage=157510 The nice thing about these is that they evidently last for years. [https://www.thecarycompany.com/media/logo/default/the-cary-company-logo.png] Self-Regulating Heating Cables Automatically Adjust Your Heat Output With Self-Regulating Cables! Keep your pipes from freezing with our Self-Regulating Heating Cables. The cables automatically adjust heat output based on the surface temperature and can also be great for low-temperature process maintenance. The flexibility of the cables can help you get even the most hard to heat applications. Options thermoplastic and fluropolymer jackets as well as tinned copper braid outside finishes. Whether you need low, medium, or high temperature cables, shop and compare all of our selection to find the best fit for you! www.thecarycompany.com Also, do you have any recommendations for insulating tubing in a cleanroom environment? Regards, Michael Senior Process Engineer Micro/Nano Technology Center University of Louisville (502) 552-1945 Web page: https://louisville.edu/micronano Instagram: https://www.instagram.com/micronanolouisville/ Facebook https://www.facebook.com/MNTCUOFL/ YouTube: https://www.youtube.com/channel/UCGiczmq6wVIBJlM7UEGVW9Q -------------- next part -------------- An HTML attachment was scrubbed... URL: From hathaway at cns.fas.harvard.edu Thu Nov 17 14:28:29 2022 From: hathaway at cns.fas.harvard.edu (Mac Hathaway) Date: Thu, 17 Nov 2022 14:28:29 -0500 Subject: [labnetwork] Heat tape recommendation? In-Reply-To: References: Message-ID: Hi Michael, I'm sure others will weigh in shortly, but very briefly: What we do at CNS is to run a sub-atmospheric regulator on BCl3, so that we don't have to run any heating tape on the lines.? As long as the supply lines are not so long that elevated pressure is needed to generate the needed flow rate, running the regulator below atmospheric pressure avoids condensation, without the need for supplemental heat. Mac Mac Hathaway Senior Process and Systems Engineer Harvard Center for Nanoscale Systems 11 Oxford St. Cambridge, MA02138 617-495-9012 On 11/17/2022 10:32 AM, Martin, Michael wrote: > Hello, > ?? We are about to re-wrap our BCl3 line with heat tape and insulation > and are in need of some advice. ? In the past we have used the rather > expensive silicone constant wattage heaters with adjustable power > control > https://www.mcmaster.com/heat-tape/constant-wattage-heaters-with-adjustable-temperature-control-for-pipes-and-tubes/ > > .? The problem we have is that these do not seem to last very long > before burning out, and as I mentioned are quite expensive. Does > anyone have a better solution?? Longer lasting and cheaper? I should > mention that we need only to keep the tubing at maybe 30C to prevent > condensation of the BCl3 vapor. > > > McMaster-Carr > > McMaster-Carr is the complete source for your plant with over > 595,000 products. 98% of products ordered ship from stock and > deliver same or next day. > www.mcmaster.com > > ?? I was looking at self-regulating heat tapes used to prevent pipes > from freezing (an interesting technology in its own right) but am not > sure they operate above room temperature given their intended > application. > https://www.thecarycompany.com/temperature-control/heating-cables/self-regulating-cables?temp_voltage=157510 > > The nice thing about these is that they evidently last for years. > > > Self-Regulating Heating Cables > > Automatically Adjust Your Heat Output With Self-Regulating Cables! > Keep your pipes from freezing with our Self-Regulating Heating Cables. > The cables automatically adjust heat output based on the surface > temperature and can also be great for low-temperature process > maintenance. The flexibility of the cables can help you get even the > most hard to heat applications. Options thermoplastic and fluropolymer > jackets as well as tinned copper braid outside finishes. Whether you > need low, medium, or high temperature cables, shop and compare all of > our selection to find the best fit for you! > www.thecarycompany.com > > Also, do you have any recommendations for insulating tubing in a > cleanroom environment? > > Regards, > ?? Michael > > Senior Process Engineer > > Micro/Nano Technology Center > > University of Louisville > > (502) 552-1945 > > Web page:https://louisville.edu/micronano > > > Instagram: https://www.instagram.com/micronanolouisville/ > > > Facebook https://www.facebook.com/MNTCUOFL/ > > > YouTube: https://www.youtube.com/channel/UCGiczmq6wVIBJlM7UEGVW9Q > > * > * > > _______________________________________________ > labnetwork mailing list > labnetwork at mtl.mit.edu > https://mtl.mit.edu/mailman/listinfo.cgi/labnetwork -------------- next part -------------- An HTML attachment was scrubbed... URL: From michael.martin at louisville.edu Thu Nov 17 16:02:15 2022 From: michael.martin at louisville.edu (Martin, Michael) Date: Thu, 17 Nov 2022 21:02:15 +0000 Subject: [labnetwork] Heat tape recommendation? In-Reply-To: References: Message-ID: Ah-ha! Looking at our BCl3 cabinet, we do have a single stage regulator that at least has a gauge capable of negative values. Think I will just give it a try. Getting a sub-atmospheric regulator IS something that has been on our to do list for some time. It would be wonderful if we've already had one. What pressure are you running? It looks like the B.P. at 1 ATM is 12.5 C, so even if I run just one PSI above atmosphere, I bet it will work. Unfortunately, I cannot find a full phase diagram for BCl3. Thanks for the advice everyone! Regards, Michael ________________________________ From: Mac Hathaway Sent: Thursday, November 17, 2022 2:28 PM To: Martin, Michael ; labnetwork at mtl.mit.edu Subject: Re: [labnetwork] Heat tape recommendation? CAUTION: This email originated from outside of our organization. Do not click links, open attachments, or respond unless you recognize the sender's email address and know the contents are safe. Hi Michael, I'm sure others will weigh in shortly, but very briefly: What we do at CNS is to run a sub-atmospheric regulator on BCl3, so that we don't have to run any heating tape on the lines. As long as the supply lines are not so long that elevated pressure is needed to generate the needed flow rate, running the regulator below atmospheric pressure avoids condensation, without the need for supplemental heat. Mac Mac Hathaway Senior Process and Systems Engineer Harvard Center for Nanoscale Systems 11 Oxford St. Cambridge, MA 02138 617-495-9012 On 11/17/2022 10:32 AM, Martin, Michael wrote: Hello, We are about to re-wrap our BCl3 line with heat tape and insulation and are in need of some advice. In the past we have used the rather expensive silicone constant wattage heaters with adjustable power control https://www.mcmaster.com/heat-tape/constant-wattage-heaters-with-adjustable-temperature-control-for-pipes-and-tubes/ . The problem we have is that these do not seem to last very long before burning out, and as I mentioned are quite expensive. Does anyone have a better solution? Longer lasting and cheaper? I should mention that we need only to keep the tubing at maybe 30C to prevent condensation of the BCl3 vapor. [https://images1.mcmaster.com/init/gfx/favicon/192x192.png?ver=1622796110] McMaster-Carr McMaster-Carr is the complete source for your plant with over 595,000 products. 98% of products ordered ship from stock and deliver same or next day. www.mcmaster.com I was looking at self-regulating heat tapes used to prevent pipes from freezing (an interesting technology in its own right) but am not sure they operate above room temperature given their intended application. https://www.thecarycompany.com/temperature-control/heating-cables/self-regulating-cables?temp_voltage=157510 The nice thing about these is that they evidently last for years. [https://www.thecarycompany.com/media/logo/default/the-cary-company-logo.png] Self-Regulating Heating Cables Automatically Adjust Your Heat Output With Self-Regulating Cables! Keep your pipes from freezing with our Self-Regulating Heating Cables. The cables automatically adjust heat output based on the surface temperature and can also be great for low-temperature process maintenance. The flexibility of the cables can help you get even the most hard to heat applications. Options thermoplastic and fluropolymer jackets as well as tinned copper braid outside finishes. Whether you need low, medium, or high temperature cables, shop and compare all of our selection to find the best fit for you! www.thecarycompany.com Also, do you have any recommendations for insulating tubing in a cleanroom environment? Regards, Michael Senior Process Engineer Micro/Nano Technology Center University of Louisville (502) 552-1945 Web page: https://louisville.edu/micronano Instagram: https://www.instagram.com/micronanolouisville/ Facebook https://www.facebook.com/MNTCUOFL/ YouTube: https://www.youtube.com/channel/UCGiczmq6wVIBJlM7UEGVW9Q _______________________________________________ labnetwork mailing list labnetwork at mtl.mit.edu https://mtl.mit.edu/mailman/listinfo.cgi/labnetwork -------------- next part -------------- An HTML attachment was scrubbed... URL: From johnboyle at fast.net Thu Nov 17 21:25:06 2022 From: johnboyle at fast.net (John Boyle) Date: Thu, 17 Nov 2022 21:25:06 -0500 Subject: [labnetwork] Heat tape recommendation? In-Reply-To: References: Message-ID: <00f601d8faf4$f985cf50$ec916df0$@net> We used to use a system provide by Accurate Gas Controls to control the cylinder temperature and to heat trace the tubing. I believe they are located near Tampa, FLA. I have also had good experience with Watlow heat tracing and with Briskheat. Both provide a more industrial rated heat trace/tape with controls. Briskheat also has systems rated for Class I, Div 1 service. John Boyle John Boyle Consulting, LLC 4848 Canterbury Drive Emmaus, PA 18049 484-432-7596 Cell 610-965-3208 Office From: labnetwork [mailto:labnetwork-bounces at mtl.mit.edu] On Behalf Of Paolini, Steven Sent: Thursday, November 17, 2022 2:19 PM To: Martin, Michael; labnetwork at mtl.mit.edu Subject: Re: [labnetwork] Heat tape recommendation? Martin.., Don't do it!!!! The best way to keep gases like BCL3 from liquifying is to run them at sub-atmospheric pressures (05"HG). I have been doing this for decades with excellent results. It is simple physics; The lower the pressure, the lower the boiling point. You can achieve this with your current gas regulator but a sub atmospheric regulator is smoother and more precise. I am assuming that you are running this gas into a vacuum system, if so, the pressure delta will allow it to flow to a certain level. If you cannot achieve your maximum flow, increase the pressure slightly. Please contact me directly with any questions. Steve (Equipment Dood) Steve Paolini Principal Equipment Engineer Harvard University Center for Nanoscale Systems 11 Oxford St. Cambridge, MA 02138 617- 496- 9816 spaolini at cns.fas.harvard.edu www.cns.fas.harvard.edu From: labnetwork On Behalf Of Martin, Michael Sent: Thursday, November 17, 2022 10:32 AM To: labnetwork at mtl.mit.edu Subject: [labnetwork] Heat tape recommendation? Hello, We are about to re-wrap our BCl3 line with heat tape and insulation and are in need of some advice. In the past we have used the rather expensive silicone constant wattage heaters with adjustable power control https://www.mcmaster.com/heat-tape/constant-wattage-heaters-with-adjustable- temperature-control-for-pipes-and-tubes/ . The problem we have is that these do not seem to last very long before burning out, and as I mentioned are quite expensive. Does anyone have a better solution? Longer lasting and cheaper? I should mention that we need only to keep the tubing at maybe 30C to prevent condensation of the BCl3 vapor. Image removed by sender. McMaster-Carr McMaster-Carr is the complete source for your plant with over 595,000 products. 98% of products ordered ship from stock and deliver same or next day. www.mcmaster.com I was looking at self-regulating heat tapes used to prevent pipes from freezing (an interesting technology in its own right) but am not sure they operate above room temperature given their intended application. https://www.thecarycompany.com/temperature-control/heating-cables/self-regul ating-cables?temp_voltage=157510 The nice thing about these is that they evidently last for years. Image removed by sender. Self-Regulating Heating Cables Automatically Adjust Your Heat Output With Self-Regulating Cables! Keep your pipes from freezing with our Self-Regulating Heating Cables. The cables automatically adjust heat output based on the surface temperature and can also be great for low-temperature process maintenance. The flexibility of the cables can help you get even the most hard to heat applications. Options thermoplastic and fluropolymer jackets as well as tinned copper braid outside finishes. Whether you need low, medium, or high temperature cables, shop and compare all of our selection to find the best fit for you! www.thecarycompany.com Also, do you have any recommendations for insulating tubing in a cleanroom environment? Regards, Michael Senior Process Engineer Micro/Nano Technology Center University of Louisville (502) 552-1945 Web page: https://louisville.edu/micronano Instagram: https://www.instagram.com/micronanolouisville/ Facebook https://www.facebook.com/MNTCUOFL/ YouTube: https://www.youtube.com/channel/UCGiczmq6wVIBJlM7UEGVW9Q -------------- next part -------------- An HTML attachment was scrubbed... URL: -------------- next part -------------- A non-text attachment was scrubbed... Name: image001.jpg Type: image/jpeg Size: 632 bytes Desc: not available URL: From mapril at draper.com Fri Nov 18 05:15:45 2022 From: mapril at draper.com (April, Mark R.) Date: Fri, 18 Nov 2022 10:15:45 +0000 Subject: [labnetwork] Heat tape recommendation? In-Reply-To: References: Message-ID: Hi Martin, I agree with Mr. Paolini. At Draper, I have the BCL3 as close as possible to the etch tool and do not have the lines heated. I have the gas flowing the same as Steve mentioned for years without issue Thanks Mark R. April Senior Equipment Engineer Microfabrication Laboratory [color_logo_small4] 555 Technology Square Cambridge, MA 02139 mapril at draper.com O # 617-258-1613 C # 617-455-1596 www.draper.com From: labnetwork On Behalf Of Paolini, Steven Sent: Thursday, November 17, 2022 2:19 PM To: Martin, Michael ; labnetwork at mtl.mit.edu Subject: Re: [labnetwork] Heat tape recommendation? Martin...., Don't do it!!!! The best way to keep gases like BCL3 from liquifying is to run them at sub-atmospheric pressures (05"HG). I have been doing this for decades with excellent results. It is simple physics; The lower the pressure, the lower the boiling point. You can achieve this with your current gas regulator but a sub atmospheric regulator is smoother and more precise. I am assuming that you are running this gas into a vacuum system, if so, the pressure delta will allow it to flow to a certain level. If you cannot achieve your maximum flow, increase the pressure slightly. Please contact me directly with any questions. Steve (Equipment Dood) Steve Paolini Principal Equipment Engineer Harvard University Center for Nanoscale Systems 11 Oxford St. Cambridge, MA 02138 617- 496- 9816 spaolini at cns.fas.harvard.edu www.cns.fas.harvard.edu From: labnetwork > On Behalf Of Martin, Michael Sent: Thursday, November 17, 2022 10:32 AM To: labnetwork at mtl.mit.edu Subject: [labnetwork] Heat tape recommendation? Hello, We are about to re-wrap our BCl3 line with heat tape and insulation and are in need of some advice. In the past we have used the rather expensive silicone constant wattage heaters with adjustable power control https://www.mcmaster.com/heat-tape/constant-wattage-heaters-with-adjustable-temperature-control-for-pipes-and-tubes/ . The problem we have is that these do not seem to last very long before burning out, and as I mentioned are quite expensive. Does anyone have a better solution? Longer lasting and cheaper? I should mention that we need only to keep the tubing at maybe 30C to prevent condensation of the BCl3 vapor. [https://images1.mcmaster.com/init/gfx/favicon/192x192.png?ver=1622796110] McMaster-Carr McMaster-Carr is the complete source for your plant with over 595,000 products. 98% of products ordered ship from stock and deliver same or next day. www.mcmaster.com I was looking at self-regulating heat tapes used to prevent pipes from freezing (an interesting technology in its own right) but am not sure they operate above room temperature given their intended application. https://www.thecarycompany.com/temperature-control/heating-cables/self-regulating-cables?temp_voltage=157510 The nice thing about these is that they evidently last for years. [https://www.thecarycompany.com/media/logo/default/the-cary-company-logo.png] Self-Regulating Heating Cables Automatically Adjust Your Heat Output With Self-Regulating Cables! Keep your pipes from freezing with our Self-Regulating Heating Cables. The cables automatically adjust heat output based on the surface temperature and can also be great for low-temperature process maintenance. The flexibility of the cables can help you get even the most hard to heat applications. Options thermoplastic and fluropolymer jackets as well as tinned copper braid outside finishes. Whether you need low, medium, or high temperature cables, shop and compare all of our selection to find the best fit for you! www.thecarycompany.com Also, do you have any recommendations for insulating tubing in a cleanroom environment? Regards, Michael Senior Process Engineer Micro/Nano Technology Center University of Louisville (502) 552-1945 Web page: https://louisville.edu/micronano Instagram: https://www.instagram.com/micronanolouisville/ Facebook https://www.facebook.com/MNTCUOFL/ YouTube: https://www.youtube.com/channel/UCGiczmq6wVIBJlM7UEGVW9Q -------------- next part -------------- An HTML attachment was scrubbed... URL: -------------- next part -------------- A non-text attachment was scrubbed... Name: image001.png Type: image/png Size: 1560 bytes Desc: image001.png URL: From mcolisi_dlamini at sfu.ca Tue Nov 22 19:01:16 2022 From: mcolisi_dlamini at sfu.ca (Mcolisi Dlamini) Date: Wed, 23 Nov 2022 00:01:16 +0000 Subject: [labnetwork] Aluminum contamination concerns in PVD Message-ID: <8baace5f6f3d4cdbb90ee429540e1ffd@sfu.ca> Dear lab network: We are wondering if there are any contamination issues (or potential contamination) from adding and evaporating aluminum in our PVD system. We understand that there will be physical contamination from flakes and metal buildup. However, we are not sure whether Al will contaminate and affect other deposition processes. Our PVD is non-CMOS clean grade and is currently qualified to evaporate Au, Ti, Pd, and Pt on the e-beam hearth and only Cr has been used so far on the thermal source. The key question we have is whether aluminum has a risk of contaminating the tool and affecting other processes? Our PVD is used for basic metallization needs including for lift-off and IC chip fabrication. We reviewed previous exchanges on this network but they mostly focused on gold contamination in vacuum systems. Notably they do emphasize that tools should be classified based on cleanliness, eg. CMOS clean, semi-clean and the Au friendly category. This is something we will definitely keep in mind moving forward. (Gold contamination lab network thread: https://mtl.mit.edu/pipermail/labnetwork/2015-June/001867.html). Additionally, there is mention of Aluminum carbide contamination when Al is evaporated via e-beam, but we gathered that this can be mitigated by evaporating at relatively low powers. We will appreciate your insights on this topic specific to Al contamination as well as contamination in metal evaporators in general. Thank you, -Mcolisi Mcolisi Dlamini 4D LABS Simon Fraser University P: 778.782.9322 -------------- next part -------------- An HTML attachment was scrubbed... URL: From mmoneck at andrew.cmu.edu Tue Nov 22 20:32:20 2022 From: mmoneck at andrew.cmu.edu (Matthew Moneck) Date: Tue, 22 Nov 2022 20:32:20 -0500 Subject: [labnetwork] Aluminum contamination concerns in PVD In-Reply-To: <8baace5f6f3d4cdbb90ee429540e1ffd@sfu.ca> References: <8baace5f6f3d4cdbb90ee429540e1ffd@sfu.ca> Message-ID: <70a3fcb63d26a5c4a5c127383d530d26@mail.gmail.com> Hi Mcolisi, Given the set of materials you current deposit in the tool, there is a concern. Both Au and Pt can form a brittle, high resistance intermetallic compound with Al, especially under heat. In the case of Au, it even has the nickname ?purple plague,? due to it?s characteristic purple color. Because of the brittle nature of these compounds we have found that use of Al and Au or Al and Pt in a system together can result in flaking and potenial contamination if not managed properly. In particular, we have seen ?purple plague? form on shields, holders, etc. when users evaporate Au and Al back to back. This may not initially contaminate the pockets or samples, but it can lead to premature flaking of materials in the chamber between maintenance cycles. In turn, the flakes can then potentially contaminate pockets of material. All of the above said, I do believe it can be managed. In our case, we have enough requests to do Al and Au in the same chamber that we have decided to adapt and allow it. Our solution has been to deposit Ti before and after any Al run. This has helped to mitigate the issues, but I still suggest checking and cleaning shields, holders, etc. regularly. Best Regards, Matt -- *Matthew T. Moneck, Ph.D* Executive Director, Claire & John Bertucci Nanotechnology Laboratory Electrical & Computer Engineering | Carnegie Mellon University 5000 Forbes Avenue, Pittsburgh, PA 15213-3890 Phone: 412-268-5430 ece.cmu.edu nanofab.ece.cmu.edu *From:* labnetwork *On Behalf Of *Mcolisi Dlamini *Sent:* Tuesday, November 22, 2022 7:01 PM *To:* labnetwork at mtl.mit.edu *Subject:* [labnetwork] Aluminum contamination concerns in PVD Dear lab network: We are wondering if there are any contamination issues (or potential contamination) from adding and evaporating aluminum in our PVD system. We understand that there will be physical contamination from flakes and metal buildup. However, we are not sure whether Al will contaminate and affect other deposition processes. Our PVD is non-CMOS clean grade and is currently qualified to evaporate Au, Ti, Pd, and Pt on the e-beam hearth and only Cr has been used so far on the thermal source. The key question we have is whether aluminum has a risk of contaminating the tool and affecting other processes? Our PVD is used for basic metallization needs including for lift-off and IC chip fabrication. We reviewed previous exchanges on this network but they mostly focused on gold contamination in vacuum systems. Notably they do emphasize that tools should be classified based on cleanliness, eg. CMOS clean, semi-clean and the Au friendly category. This is something we will definitely keep in mind moving forward. (Gold contamination lab network thread: https://mtl.mit.edu/pipermail/labnetwork/2015-June/001867.html). Additionally, there is mention of Aluminum carbide contamination when Al is evaporated via e-beam, but we gathered that this can be mitigated by evaporating at relatively low powers. We will appreciate your insights on this topic specific to Al contamination as well as contamination in metal evaporators in general. Thank you, -Mcolisi *Mcolisi Dlamini* 4D LABS Simon Fraser University P: 778.782.9322 -------------- next part -------------- An HTML attachment was scrubbed... URL: From Howard.Northfield at uottawa.ca Tue Nov 22 20:58:39 2022 From: Howard.Northfield at uottawa.ca (Howard Northfield) Date: Wed, 23 Nov 2022 01:58:39 +0000 Subject: [labnetwork] Aluminum contamination concerns in PVD In-Reply-To: <8baace5f6f3d4cdbb90ee429540e1ffd@sfu.ca> References: <8baace5f6f3d4cdbb90ee429540e1ffd@sfu.ca> Message-ID: We use Al regularly in our Angstrom LPVD system. As a rule we cover with foil any other open crucibles in the evaporator. We actually foil cover the whole inside of the system and change it every 6 months. Howard Northfield Research Associate University of Ottawa ________________________________ From: labnetwork on behalf of Mcolisi Dlamini Sent: Tuesday, November 22, 2022 7:01 PM To: labnetwork at mtl.mit.edu Subject: [labnetwork] Aluminum contamination concerns in PVD Attention : courriel externe | external email Dear lab network: We are wondering if there are any contamination issues (or potential contamination) from adding and evaporating aluminum in our PVD system. We understand that there will be physical contamination from flakes and metal buildup. However, we are not sure whether Al will contaminate and affect other deposition processes. Our PVD is non-CMOS clean grade and is currently qualified to evaporate Au, Ti, Pd, and Pt on the e-beam hearth and only Cr has been used so far on the thermal source. The key question we have is whether aluminum has a risk of contaminating the tool and affecting other processes? Our PVD is used for basic metallization needs including for lift-off and IC chip fabrication. We reviewed previous exchanges on this network but they mostly focused on gold contamination in vacuum systems. Notably they do emphasize that tools should be classified based on cleanliness, eg. CMOS clean, semi-clean and the Au friendly category. This is something we will definitely keep in mind moving forward. (Gold contamination lab network thread: https://mtl.mit.edu/pipermail/labnetwork/2015-June/001867.html). Additionally, there is mention of Aluminum carbide contamination when Al is evaporated via e-beam, but we gathered that this can be mitigated by evaporating at relatively low powers. We will appreciate your insights on this topic specific to Al contamination as well as contamination in metal evaporators in general. Thank you, -Mcolisi Mcolisi Dlamini 4D LABS Simon Fraser University P: 778.782.9322 -------------- next part -------------- An HTML attachment was scrubbed... URL: From ericdj at seas.upenn.edu Mon Nov 28 14:15:27 2022 From: ericdj at seas.upenn.edu (Eric Johnston) Date: Mon, 28 Nov 2022 14:15:27 -0500 Subject: [labnetwork] Nanofabrication Process Engineering position at University of Pennsylvania Message-ID: Dear Lab Network, The Quattrone Nanofabrication Facility at the University of Pennsylvania in Philadelphia is seeking a Nanofabrication Process Engineer. Duties involve maintaining and optimizing the performance of PECVD, etch, ALD, sputtering, e-beam and thermal evaporation tools, as well as other activities such as tool training and developing baseline processes. See more details here . Best regards Eric Eric Johnston Director, Quattrone Nanofabrication Facility Singh Center for Nanotechnology University of Pennsylvania 3205 Walnut Street, #116 ericdj at seas.upenn.edu T. 215.573.6695 -------------- next part -------------- An HTML attachment was scrubbed... URL: From rmorrison at draper.com Wed Nov 30 09:52:38 2022 From: rmorrison at draper.com (Morrison, Richard H., Jr) Date: Wed, 30 Nov 2022 14:52:38 +0000 Subject: [labnetwork] BCL3 question Message-ID: HI everyone, Does anybody have an estimate on how long BCl3 last in a cylinder. I have a cylinder of BCL3 install in 2013 and recently the etch rate has dropped, does BCl3 go bad? The gas cabinet scale is not in alarm. Rick Richard Morrison PMTS Draper Laboratory 555 Technology Square Cambridge Ma 02139 Office: 617-258-3420 Cell: 508-930-3461 -------------- next part -------------- An HTML attachment was scrubbed... URL: From tbritton at criticalsystemsinc.com Wed Nov 30 11:56:28 2022 From: tbritton at criticalsystemsinc.com (Tom Britton) Date: Wed, 30 Nov 2022 16:56:28 +0000 Subject: [labnetwork] BCL3 question In-Reply-To: References: Message-ID: Hi Richard, I got this a while back from I believe Air Liquide, but I'm not 100% positive of the source. Hopefully it helps. Happy Holidays, Tom Tom Britton Director of Sales Critical Systems, Inc. Direct: 208.890.1417 Office: 877.572.5515 Skype: tombrittoncsi www.CriticalSystemsInc.com [logo for email signature png] Note: 7 days per week Technical Support Phone: 1-888-218-6308 Email: Fieldservices at criticalsystemsinc.com From: labnetwork On Behalf Of Morrison, Richard H., Jr Sent: Wednesday, November 30, 2022 7:53 AM To: labnetwork at mtl.mit.edu Subject: [labnetwork] BCL3 question HI everyone, Does anybody have an estimate on how long BCl3 last in a cylinder. I have a cylinder of BCL3 install in 2013 and recently the etch rate has dropped, does BCl3 go bad? The gas cabinet scale is not in alarm. Rick Richard Morrison PMTS Draper Laboratory 555 Technology Square Cambridge Ma 02139 Office: 617-258-3420 Cell: 508-930-3461 This email and any files transmitted with it are confidential and intended solely for the use of the individual or entity to whom they are addressed. If you have received this email in error please notify the system manager. This message contains confidential information and is intended only for the individual named. If you are not the named addressee you should not disseminate, distribute or copy this e-mail. Please notify the sender immediately by e-mail if you have received this e-mail by mistake and delete this e-mail from your system. If you are not the intended recipient you are notified that disclosing, copying, distributing or taking any action in reliance on the contents of this information is strictly prohibited.'. If the disclaimer can't be applied, attach the message to a new disclaimer message. -------------- next part -------------- An HTML attachment was scrubbed... URL: -------------- next part -------------- A non-text attachment was scrubbed... Name: image001.png Type: image/png Size: 9501 bytes Desc: image001.png URL: -------------- next part -------------- A non-text attachment was scrubbed... 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