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June 1998

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TechNet <[log in to unmask]>
Subject:
Solder Mask
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[log in to unmask]
Date:
Sun, 7 Jun 1998 10:22:55 EDT
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"TechNet E-Mail Forum." <[log in to unmask]>, [log in to unmask]
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Hi All:  I need some help on the general characteristics of dry film & LPI
solder mask.  Specifically, is there any significant difference in the
dielectric of DF and LPI?  What are the typical dielectric values associated
with each and do these values vary or change as a function of the type of
process used for pwa assembly.
Thanks in advance.  Jim Moffitt

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