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February 2008

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Subject:
From:
"Victor G. Hernandez" <[log in to unmask]>
Reply To:
TechNet E-Mail Forum <[log in to unmask]>, [log in to unmask]
Date:
Thu, 7 Feb 2008 09:52:27 -0600
Content-Type:
text/plain
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Beware of cross section artifacts.   If this is not the sites you were
aiming for it may not be a defects.   Could the beginning of a trace or
the ending.   I see this often.


Victor,

-----Original Message-----
From: TechNet [mailto:[log in to unmask]] On Behalf Of Jack Olson
Sent: Thursday, February 07, 2008 9:33 AM
To: [log in to unmask]
Subject: [TN] FAB: Thin Trace Failures

Has anyone ever seen a cross-section like this?

http://www.frontdoor.biz/PCBportal/opentrace.jpg

(ignore the words on the pic, just a guess)

Can you point me in the right direction for cause?

thanks,
Jack

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