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August 2003

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Subject:
From:
Dave Hillman <[log in to unmask]>
Reply To:
TechNet E-Mail Forum.
Date:
Mon, 11 Aug 2003 14:30:53 -0500
Content-Type:
text/plain
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text/plain (65 lines)
Hi Werner! We have tried to use our ROSA system to electrochemically reduce
the degraded nickel surfaces with no success (nickel oxide/corroded nickel
is tough stuff!). I have not heard of anyone being able to restore a "black
pad" surface successfully without having collateral damage to adjacent
regions of the printed wiring assembly.

Hey Rudy S.  - is there a chemical treatment potential/possibility?

Dave Hillman
Rockwell Collins
[log in to unmask]



                      Werner Engelmaier
                      <[log in to unmask]        To:       [log in to unmask]
                      OM>                      cc:
                      Sent by: TechNet         Subject:  [TN] Black pad
                      <TechNet@listserv
                      .ipc.org>


                      08/11/2003 02:09
                      PM
                      Please respond to
                      "TechNet E-Mail
                      Forum."; Please
                      respond to
                      Engelmaier






Hi All,
Are there any successful rework procedures for 'black pad'?

Werner Engelmaier

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