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May 1997

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Subject:
ASSY:Au/Ni Coated Boards
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"Raich, Zoran" <[log in to unmask]>
>From bergdi Wed May 28 20:
56:00 1997
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From [log in to unmask] Thu May 29 09:
57:30 1997
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Dear Technetters
We have some printed circuit boards with gold over nickel coating which   
are experiencing solderability problems, ie very poor wetting. I have   
heard that this may be due to nickel migration through the gold over   
time. The boards are approximately 6 Months old. Is there a particular   
shelf life for this type of coating before we need to dump the boards?.

Regards
Zoran Raich
Process Engineer
NetComm (Aus) Ltd
(+612) 9878 7394
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