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August 1999

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Subject:
From:
Jon Moore <[log in to unmask]>
Reply To:
TechNet E-Mail Forum.
Date:
Tue, 24 Aug 1999 01:23:00 EDT
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In a message dated 8/20/99 11:51:49 AM US Eastern Standard Time,
[log in to unmask] writes:

<< We are about to start using BGAs in our designs.  Can anyone recommend a
BGA
 rework station and BGA inspection equipment to inspect for poor alignment,
 solder cracks,poor soldering, etc.  Is there X-ray equipment that will
highlight
 defects by enhancing the image with a different color to call out a possible
 defect?  What features should we look for in both kinds of equipment?  The
PCA's
 are manufactured off site and sent to my facility for testing and
incorporation
 into the product.  Any help would be appreciated.  Thank you in advance.

 Best Regards,

 Mike Forrester
 LeCroy Corp >>
Mike,
    I would recommend Pace Thermo-Flo for your BGA rework needs.  As for
X-ray equipment, LIXI makes an excellent table-top system that uses a Mantis
viewer for looking at the solder connections in real time x-ray.  The
resolution will not reveal minor cracks, etc., but it is a very good
production process evaluation tool for alignment, bridging, etc.

Jon Moore

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