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April 2007

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Subject:
Re: "plated shut vias"
From:
Werner Engelmaier <[log in to unmask]>
Reply To:
TechNet E-Mail Forum <[log in to unmask]>, [log in to unmask]
Date:
Thu, 26 Apr 2007 15:23:00 EDT
Content-Type:
text/plain
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text/plain (23 lines) 
Hi All, 
Vias should never be specified in terms of finished hole size (there is no 
functional need for any specific finished hole diameter),   but in terms of 
drilled hile diameter, because that determines all kinds of things important to 
the reliability of the via interconnect structure.

Werner



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