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MEMSnet Home: MEMS-Talk: Critical Dry
Critical Dry
2008-06-26
Ramakrishna Kotha
2008-06-26
Shay Kaplan
2008-06-26
Bill Moffat
2008-06-26
Yianni Tousimis
2008-06-26
Kagan Topalli
2008-07-01
Jack Mulligan
2008-07-01
Robert Bock
2008-07-17
ilan yutsis
Critical Dry
Robert Bock
2008-07-01
Water is miscible in Acetone, from 0 to 100%...  I believe you didn't mean
to type in 'not.'

Certainly the differences between diffusion/evaporation rates for Acetone
and water are most likely the driving factors here; process conditions
should be adjusted to address this.

Robert Bock
G3 Mastering Solutions Inc.

> -----Original Message-----
> From: [email protected]
> [mailto:[email protected]] On Behalf Of Jack Mulligan
> Sent: Tuesday, July 01, 2008 10:51 AM
> To: 'General MEMS discussion'
> Subject: Re: [mems-talk] Critical Dry
>
> Rama -
>
> Since water is not miscible in acetone what is most likely
> happening inside what I assume is an atmospheric dryer is the
> acetone vapor is leaving the surfaces at a much faster rate
> leaving the water behind on the surfaces to evaporative dry
> which leaves watermarks or spots which can cause striation problems.
>
> We have a solution for this using our proprietary vacuum
> process. Feel free to write me for more information. I am
> careful not to put too much information in an email that
> might be seen as using the discussion board for commercial purposes.
reply
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