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October 2007

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Subject:
Re: Is This a BAD Thing?
From:
Ian Hanna <[log in to unmask]>
Reply To:
TechNet E-Mail Forum <[log in to unmask]>, Ian Hanna <[log in to unmask]>
Date:
Mon, 1 Oct 2007 14:15:33 -0400
Content-Type:
text/plain
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text/plain (18 lines) 
Assuming the design has a sufficient 'anti-pad' clearance on the plane
layers spacing to adjacent conductors should not be an issue.  Class III
allows .003" maximum.  Unusual though that the glass is sheared so far
back.  There is some indication of drill tear-out though.  I wonder if
the mystery material between layers 4 and 5 has anything to do with
this?  Ian
 

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