You can test Au hardness on ceramic substrates but I've never had much
success doing hardness testing of Au/Ni/Cu on epoxy glass laminate boards.
Background substrates are to soft and inconsistent to get
reliable/repeatable readings or meaningful results.

Regards,
Bruce Misner

-----Original Message-----
From: [log in to unmask] [mailto:[log in to unmask]]
Sent: Tuesday, September 02, 2003 2:04 PM
To: [log in to unmask]
Subject: [TN] Questions on Soft gold plating.


Hi all,

I have 2 questions for electroplated soft gold.

1) Recommendations on reliable outside service

2) Is anyone doing hardness test on circuit brd itself.  How reliable is
that ?


Thanks in advance.

Rashesh ---------------------------------------------------
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