[labnetwork] PDMS processing - separate lab?

[Robert Nidetz]

Here at the LNF we have a separate lab space for our "dirtier" processes,
including dicing and KOH etching. We process PDMS in this space and require
users to line the bench area with foil while preparing the PDMS since it
makes a huge mess and our users are not always very careful. There is also
a cutting station and plasma tool in this space for post-curing work.

Fully cured PDMS can be brought into the clean room, but only used on
specific tools with prior authorization. It cannot be used in shared
glassware due to contamination concerns and the inability to effectively
clean or remove it.

Rob

On Wed, Sep 4, 2024 at 4:21 PM Massey, Travis <massey21 at llnl.gov> wrote:

> We (LLNL) have some PDMS work at dedicated benches in the chase (class
> 1000), away from the majority of the microfab.  For PDMS work requiring
> class 100 or better, we put up lightweight walls – effectively a room
> within a room.  Not only is uncured PDMS a mess, but we’ve found that
> having PDMS in the same room as epoxy will interfere with the curing of
> some epoxies.
>
>
>
> Travis
>
>
>
> *From:* labnetwork <labnetwork-bounces at mtl.mit.edu> *On Behalf Of *Dan P.
> Woodie
> *Sent:* Wednesday, September 4, 2024 7:54 AM
> *To:* Fab Network <labnetwork at mtl.mit.edu>
> *Subject:* [labnetwork] PDMS processing - separate lab?
>
>
>
> Lab Network,
>
>
>
> I am curious how many fabs allow PDMS mixing in their main cleanrooms and
> how many require that work done in separate isolated spaces or noncleanroom
> labs. My experience has been that they can be in the same space if careful
> glove protocols are used to avoid spreading the unpolymerized precursors
> around the facility, but I am interested in other’s experiences. Thanks for
> the shared knowledge.
>
>
>
> Dan
>
>
>
> Daniel Woodie
>
> Director, Micro/Nano Fabrication Center, Princeton Materials Institute
>
> Princeton University
>
> 155 Andlinger Center
>
> 86 Olden St
>
> Princeton, NJ 08540
>
>
>
> (609)258-5922 (office)
>
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>
> daniel.woodie at princeton.edu
>
> mnfc.princeton.edu
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-- 
Robert Nidetz, PhD (he/him/his)
University of Michigan
LNF User Liaison and Domain Expert
1241 EECS Building
1301 Beal Ave
Ann Arbor, MI 48109
nidetz at umich.edu
734.496.8065
Book an appointment: https://calendly.com/nidetz
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