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May 1997

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Subject:
Re: ASSY:Au/Ni Coated Boards
From:
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Date:
Thu, 29 May 1997 09:15:15 -0400 (EDT)
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Hello 

I am very surprised that after six months your boards lost solderability. As
you mentioned, it is possible that the nickel migrates through the pores and
oxidizes. 

We can provide the analysis of the gold finished boards in order to detect
the oxidation of the nickel. The thickness of the gold deposit can be
measured too.


Mike Pavlov
[log in to unmask]

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