Dave,
These parts solder directly into the board. (airborne application) I agree,
the gold was probably too thin or porous allowing the nickel beneath to go
south. The parts are quite old, part of a lifetime buy situation.
Russ

-----Original Message-----
From: David Hillman [mailto:[log in to unmask]]
Sent: Monday, January 07, 2002 3:26 PM
To: [log in to unmask]
Subject: Re: [TN]


Hi Russ! A tad more information please - please define the application
these components are going to be used in: socket, soldering, adhesive
joining, etc., and what is the complete plating stackup (i.e. what's under
the gold).  Gold does not oxidize (well, at least no one has proven
otherwise yet!) so if you are having lead finish problems then the plating
material beneath the outer gold finish should be suspect.

Dave Hillman
Rockwell Collins
[log in to unmask]




"Vertefeuille, Russell (AZ75)" <[log in to unmask]>
@ipc.org> on 01/07/2002 01:59:17 PM

Please respond to "TechNet E-Mail Forum." <[log in to unmask]>

Sent by:  TechNet <[log in to unmask]>


To:   [log in to unmask]
cc:

Subject:  [TN]


Hello all,
does anyone know of a supplier who can recondition 68 pin PGA's with gold
finish leads that are very oxidized? I would prefer a company on the west
coast.

Thanks,

Russ Vertefeuille
Honeywell

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