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August 2001

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Subject:
From:
John Brewer <[log in to unmask]>
Reply To:
TechNet E-Mail Forum.
Date:
Wed, 15 Aug 2001 14:04:32 -0400
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>>"are your operators consciencious about picking up/saving and
>>hand placing dropped parts?"

     Oh man....with all due respect, I'd surely not advise doing this. With
the size
of most SMT parts, the lack of marking, and the relatively cheap cost of
most of them
compared with the cost of diagnose> test> rework> retest, etc, I'd
generally
advise not ever doing this!

     If things are falling off in such quantities so as to make it
economically
feasible to reuse the parts, then the SMT process engineer should
investigate
the root cause and fix it, rather than try and reuse fallout....

     Rgds and good luck!
     John
-=-=-=-=-=-=-=-=-=-=--=--=-=-=-=-=
John Brewer
Square D Component Engineering
Raleigh NC

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