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March 1998

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Subject:
Contact resistance
From:
Gabriela Bogdan <[log in to unmask]>
Reply To:
TechNet E-Mail Forum.
Date:
Wed, 11 Mar 1998 23:06:37 +0000
Content-Type:
text/plain
Parts/Attachments:
text/plain (24 lines) 
Dear Technetters!
We experience high contact resistance on keyboards.
The plating is 0.15u Au on 6u Ni.
1.Could I use SERA in order to see if there is a contamination on the
keypads
in comparison to the bare boards?
2.If YES, HOW?
3.How could I compare the porosity of the gold plating of two different
batches ?
Thank you in advance
Gaby

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