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June 1999

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Subject:
From:
David D Hillman <[log in to unmask]>
Reply To:
"TechNet E-Mail Forum." <[log in to unmask]>, David D Hillman" <[log in to unmask]>
Date:
Wed, 9 Jun 1999 06:27:17 -0500
Content-Type:
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HI Paul - you will need to provide your material and process situation to
the TechNet so we can formulate appropriate responses. Info such as flux,
general reflow profile, cleaning chemistry type, etc. would be helpful.
Keep in mind that just because a solder joint isn't "bright and shiny"
doesn't mean it is a reliability problem.


Dave Hillman
Rockwell Collins
[log in to unmask]




Paul Allan <[log in to unmask]> on 06/08/99 11:17:31 AM

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

To:   [log in to unmask]
cc:
Subject:  [TN] Dull discolored solder joints.




Please - need information.
We are currently suffering with an unusual problem SMT and through hole
solder joints are coming out dull and yellow. The problem may be flux
related. Solder joints appear to be yellow to gray in color. The
condition is random. Does any one know of a chemical or soap to restore
shine to the joints.
Paul Allan.

Graphic Research
818-886-7340 X1101
PaulA @ Methode-GRI.com

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