[labnetwork] Positive Photo Resist

[Richard N. Savage]

Try Micro Chem in MA.

Richard N. Savage, Ph.D.
Director Graduate Education
Professor & Chair Biomedical Engineering
Cal Poly State University
Bldg 52-E47
1 Grand Avenue
San Luis Obispo, CA 93407
805-756-6519
rsavage at calpoly.edu

----- Original Message -----
From: "Michael S Peters" <michael.peters at mnsu.edu>
To: "labnetwork at mtl.mit.edu" <labnetwork at mtl.mit.edu>
Sent: Friday, January 30, 2015 9:59:16 AM
Subject: [labnetwork] Positive Photo Resist



Our EE cleanroom is looking to reduce the amount of photoresist we have to dispose of due to its age. We have, over the past 10-12 year, been receiving a generous donation of HPR-504 positive photoresist, developer and stripper all in gallon containers. The developer and stripper are used in its donated quantities, however, the photoresist we use less than a pint in a 2 year span. This leaves us over ¾ of a gallon to dispose of as chemical waste which negates the benefit of the donation. Our EHS would like us to see it there is a way to get the resist in smaller quantity to reduce the cost of disposal. 



I would appreciate a source where I could get smaller amounts of the photo resist. 



Thanks 



Mike Peters 

Engineering Specialist Sr. 

Radiation Safety Officer 



Minnesota State University, Mankato 

141 Trafton Science Center North 

Mankato, Minnesota 56001 



Telephone: 507-389-1026 

Email: michael.peters at mnsu.edu 



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