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January 1998

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Subject:
Poor Soldering of 240 pin PQFPs
From:
Ronald Mowbray <[log in to unmask]>
Reply To:
TechNet Mail Forum.
Date:
Fri, 16 Jan 1998 12:30:12 -0500
Content-Type:
text/plain
Parts/Attachments:
text/plain (26 lines) 
   I would like to get some information on expected yields for
non-soldered leads using 240 pin PQFPs. Is this common or
can process improvements without equipment purchases
help?. We have a FUJI GSP III screen printer with rubber
squeezes and are using 7 mil thick laser cut stencils. I could
use any help and expected yields information. We are going
to change to BGA sometime later this year.

                                                        Thanks
Ron Mowbray
Menber of Technical Staff
Paradyne Corp.
Largo, Fl.
e-mail: [log in to unmask]

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