[labnetwork] updated survey

Wed May 17 20:30:01 EDT 2017

Steve,
Have I seen a study - no.
Am I an advocate of modest gowning - yes.
Am I an advocate of no gowning - no
Modest gowning = frock coat, booties and bouffant cap. (and gloves)
This is easy to don and remove for staff that are primarily in the chases.
We switched to full bunny suit instead of frock coat for researchers and
process staff who are mainly in the bays.
I like the additional layer of chemical protection provided to the legs.
Full bunny suit emphasizes you are in a clean room and provides some
level of training on protocol and attention to your environment.
Disposable suits with a single zipper are quick to don and remove.

I don't see either of our protocols as significant impact on productivity.
I have been to many labs that have complex and expensive protocol
that I consider of questionable value.

Good Luck with the national debate.
Bill Flounders
UC Berkeley

Paolini, Steven wrote:
>
> Not to start a national debate but has anybody ever seen a 
> comprehensive study of the benefits of full gowning versus the expense 
> and trouble? As a former Field service engineer and long time fab rat, 
> I have visited many sites and no two follow the same protocol. The 
> interesting part of this is that every site believes that theirs is 
> the best. How can something that’s fairly scientific be so subjective? 
> I do notice that all of these sites are of the “wrap em’ up”  method, 
> but my perennial question is “at what expense?” Is the ten minutes 
> lost to dash out of the clean room to retrieve an item worth whatever 
> benefit full gowning provides? Has anyone ever estimated if the loss 
> of working time because of the added activity is worth the effort? I 
> am a firm believer in that higher air changes per hour is the best 
> contributor to a clean room’s performance. I do doubt however, that 
> the obstacle of full gowning in a clean room class 100 or dirtier 
> offers little, if any, contribution to the overall room performance.
>
> After donning bunny suits for more than 35 years, I have yet to find a 
> /comprehensive /study on this subject. I have seen many a paper 
> written that emphasizes high particle counts on personnel that aren’t 
> fully gowned but that’s half of the equation, If loss of productivity 
> and general work habit change is factored in, does it become a “non 
> value add” activity? Wouldn’t it be nice if you could just wear 
> booties, a hairnet, and lab coat without any detrimental effects to 
> your space?
>
> I think the microelectronic and nanofabrication community has been 
> influenced by the larger fabs in that whatever they do must be the 
> right thing. It’s been many years since we have been gowning up to 
> enter a clean space but maybe it’s time to determine if the trouble 
> and expense equate to the benefit. Other industries that are under 
> constant expense pressure have altered their methods to lower costs. 
> The food packaging business for example has moved from providing a 
> clean general space to mini environments in which critical process 
> steps are done in a high HEPA flow area directed at the product.
>
>  Is there anyone in this network that questions this practice and has 
> access to a good scientific study that might help settle this (my) 
> dispute? Is there anyone here that can support my claim of full 
> gowning to be high cost/low benefit ?
>
> Thanks for listening.
>
> 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-bounces at mtl.mit.edu 
> [mailto:labnetwork-bounces at mtl.mit.edu] *On Behalf Of *Ferraguto, Thomas
> *Sent:* Wednesday, May 17, 2017 12:45 PM
> *To:* labnetwork at mtl.mit.edu
> *Subject:* [labnetwork] updated survey
>
> Here’s the updated flash survey for ERP Systems and Interlocks.
>
> On a side note, I did a video audit of our “Honor System” run lab and 
> we did not book 31% of the Activity.
>
> *Institution*
>
> 	
>
> *System*
>
> 	
>
> *FTE's*
>
> 	
>
> *Interlocks*
>
> *Total*
>
> 	
>
> *52% Home Grown*
>
> 	
>
> *0.60*
>
> 	
>
> *83.3%*
>
> UC Davis
>
> 	
>
> Badger
>
> 	
>
> 0.25
>
> 	
>
> Yes
>
> University of Houston
>
> 	
>
> Home Grown
>
> 	
>
> 0.0025
>
> 	
>
> No
>
> Stanford
>
> 	
>
> Badger
>
> 	
>
> 0
>
> 	
>
> Yes
>
> University of Utah
>
> 	
>
> Coral
>
> 	
>
> 1
>
> 	
>
> Yes
>
> University of Freiburg
>
> 	
>
> Home Grown/w Coral
>
> 	
>
> 1
>
> 	
>
> Yes
>
> MIT
>
> 	
>
> Coral
>
> 	
>
> 1
>
> 	
>
> Yes
>
> Delft University
>
> 	
>
> Phoenix
>
> 	
>
> 2
>
> 	
>
> Yes
>
> University of Delaware
>
> 	
>
> FOM
>
> 	
>
> 0.1
>
> 	
>
> Yes
>
> UNC
>
> 	
>
> Home Grown
>
> 	
>
> 0.1
>
> 	
>
> No
>
> UC San Diego
>
> 	
>
> FOM
>
> 	
>
> 0.25
>
> 	
>
> Yes
>
> University of Louisville
>
> 	
>
> FOM
>
> 	
>
> 0.1
>
> 	
>
> Yes
>
> UMass Lowell
>
> 	
>
> FOM
>
> 	
>
> 0.2
>
> 	
>
> No
>
> Purdue
>
> 	
>
> Ilab
>
> 	
>
> 2
>
> 	
>
> Yes
>
> EPFL-Lausanne-Switzerland:
>
> 	
>
> Home Grown
>
> 	
>
> 1
>
> 	
>
> Yes
>
> Cal-Tech
>
> 	
>
> Home Grown/Labrunr
>
> 	
>
> 0.3
>
> 	
>
> Yes
>
> University of Texas
>
> 	
>
> Home Grown
>
> 	
>
> 0.2
>
> 	
>
> Yes
>
> Harvard
>
> 	
>
> Home Grown
>
> 	
>
> 0.1
>
> 	
>
> Yes
>
> Berkeley
>
> 	
>
> Home Grown
>
> 	
>
> 0.75
>
> 	
>
> Yes
>
> UCSB
>
> 	
>
> Home Grown/SignupMonkey
>
> 	
>
> 0.125
>
> 	
>
> No
>
> Washington Nanofabrication Facility (WNF)
>
> 	
>
> Home Grown/w Coral
>
> 	
>
> 1
>
> 	
>
> Yes
>
> Georgia Tech
>
> 	
>
> Home Grown SUMS
>
> 	
>
> 2
>
> 	
>
> Yes
>
> Columbia University
>
> 	
>
> Badger
>
> 	
>
> 0
>
> 	
>
> Yes
>
> University of Alberta
>
> 	
>
> Home Grown LMACS
>
> 	
>
> 0.5
>
> 	
>
> Yes
>
> University of Florida
>
> 	
>
> Home Grown
>
> 	
>
> 0.5
>
> 	
>
> Yes
>
> Best Regards
>
> Tom
>
> Thomas S. Ferraguto
>
> Saab ETIC Nanofabrication Laboratory Director
>
> Saab ETIC Building Director
>
> 1 University Avenue
>
> Lowell MA 01854
>
> Mobile 617-755-0910
>
> Land 978-934-1809
>
> Fax 978-934-1014
>
>
>
> _______________________________________________
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