Rick:

We only used X-Ray inspection to setup our process and have not used it
since.
If you are making any significant changes to your process I recommend you
get the first few boards inspected from an outside source.  Example: Moving
from a 4-Layer PCB to a 10-layer PCB.

Good Luck. Chris

        -----Original Message-----
        From:   Rick Howieson [SMTP:[log in to unmask]]
        Sent:   Thursday, June 28, 2001 1:37 PM
        To:     [log in to unmask]
        Subject:        [TN] BGA

        For the folks out there doing BGA assembly, do you use x-ray for
inspection
        and if so, how often. I'm curious whether we need to purchase x-ray
or a
        scope that allows side viewing.
        Thanks,
        Rick Howieson
        Delta Group Electronics, Inc.


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