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August 2005

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Subject:
HASL over nickel
From:
Tom Moore <[log in to unmask]>
Reply To:
TechNet E-Mail Forum <[log in to unmask]>, Tom Moore <[log in to unmask]>
Date:
Wed, 17 Aug 2005 14:38:14 -0500
Content-Type:
text/plain
Parts/Attachments:
text/plain (19 lines) 
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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