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February 1999

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TechNet <[log in to unmask]>
Subject:
Re: solder composition
From:
"<Jason M. Smith>" <[log in to unmask]>
Date:
Wed, 10 Feb 1999 07:49:45 -0500
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"TechNet E-Mail Forum." <[log in to unmask]>, [log in to unmask]
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Fellow Technetters:
     In your experiences, at what point will one start to see differences in
solubility in wave soldering.  I monitor our solder composition and am starting
to see my Tin deplete as time goes by.  I'm not seeing any immediate defects,
but am wondering what is the alarm point.  None of the other contaminates are
out of spec.  I just notice my Tin composition depleting and the balance is the
Pb.  Any thoughts?   I can give technical expectations from looking at the
Eutectic, but am looking for the experience point of view.

Jason Smith
Lexmark Electronics
Process Materials Engineer

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