Barebord,

We use several thickness of resist, most below this, two different 30 
micron resists and some 20 micron and a 15 micron.  For some heavy duty 
processes we use a 50 micron resist.

If you need to know the manufacturers let me know.

Chuck Brummer
3M Manufacturing Engineer
8357 Canoga Ave.
Canoga Park, CA 91304-2605
(818) 734-4930




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[TN] Dry Film Thickness






Board makers, are any of you still using 1.5 mil dryfilm? Seems our 
supplier has run the last roll and is switching to 2.0 mil. Any issues we 
should be wary of in switching?
 
Thanks for any input. 
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