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March 2007

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Subject:
From:
Bill Kasprzak <[log in to unmask]>
Reply To:
TechNet E-Mail Forum <[log in to unmask]>, Bill Kasprzak <[log in to unmask]>
Date:
Thu, 15 Mar 2007 08:28:43 -0400
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Werner,

Have you heard of anyone had any experience with receiving boards from a 
domestic supplier with evidence of electrolytic Au flash?

Is it a condition that can be discerned with incoming inspection?

When does ENIG become NOT ENIG? (Just curious as to the threshold limits 
of the Nickel and Gold) 




Werner Engelmaier <[log in to unmask]> 
Sent by: TechNet <[log in to unmask]>
03/15/2007 08:07 AM
Please respond to
TechNet E-Mail Forum <[log in to unmask]>; Please respond to
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Subject
Re: [TN] IPC ENIG SPECIFICATION






What you received is NOT ENIG. This has been a not uncommon problem with 
parts from China--they use an electrolytic Au-flash?I have seen 
Au-embrittlement 
as a consequence.

Werner



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