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August 2005

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Subject:
From:
"Stadem, Richard" <[log in to unmask]>
Reply To:
TechNet E-Mail Forum <[log in to unmask]>, Stadem, Richard
Date:
Thu, 18 Aug 2005 06:53:09 -0500
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Why ever would you want to do this? Why not just solder to the ENIG? Is
there some requirement that precludes soldering to the ENIG? 

-----Original Message-----
From: TechNet [mailto:[log in to unmask]] On Behalf Of Tom Moore
Sent: Wednesday, August 17, 2005 2:38 PM
To: [log in to unmask]
Subject: [TN] HASL over nickel

Our PC board supplier inadvertently supplied us with boards composed of
gold over nickel rather than the specified HASL finish. While we kept
some of the boards to keep our production line running, we sent the rest
back to have the gold stripped off and run through the HASl process. Now
our supplier is telling us that they will not be able to remove the
nickel that has bonded to the copper pads. I'm going to have the
supplier guarantee the board life in blood, but I would feel more
confident in having confirmation by this group's expertise. Thanks for
your help.

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