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February 1999

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Subject:
Surface Insulation Resistance
From:
Bob Felton <[log in to unmask]>
Reply To:
TechNet E-Mail Forum.
Date:
Fri, 19 Feb 1999 14:22:33 -0800
Content-Type:
text/plain
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text/plain (22 lines) 
What range of SIR can be reasonably expected on PWBs made from epoxy
glass and epoxy polyimide materials?  Bare board and post assembly.
Assembly is manual using both through-hole and SMT parts, using rosin
flux.  Cleaning is done either in a vapor degreaser (using an n-propyl
bromide solvent) or by cold washing in isopropyl alcohol.  Thanks.
--
Bob Felton
[Micro Instrument Co., Escondido, CA]
([log in to unmask])

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