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February 1998

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Subject:
Nickel,Gold&solder masks
From:
Gabriela Bogdan <[log in to unmask]>
Reply To:
TechNet E-Mail Forum.
Date:
Sat, 21 Feb 1998 11:54:45 +0000
Content-Type:
text/plain
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text/plain (26 lines) 
Dear TechNetters!
As a user of PCB's , I sometimes get requests from the manufacturers to
approve
another solder mask due to its better resistance to electroless or
chemical
nickel and gold plating.
1.What are the effects of these plating solutions on solder masks?
2.When are these effects visible-on the boards as received, or after
soldering?
3.Are they cosmetic defects or reliability defects?

Thank you,
Gaby

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