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August 1998

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Thu, 20 Aug 1998 14:39:38 -0600
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Do the dendritic growths not require moisture? Effect of radiation on the
performance of the circuit should be a concern in space.

        -----Original Message-----
        From:   Jim Marsico 516-595-5879 [SMTP:[log in to unmask]]
        Sent:   Thursday, August 20, 1998 2:07 PM
        To:     [log in to unmask]
        Subject:        [TN] BGA'S IN SPACE

        Dear Experts:

        I've been asked to investigate this concern, so here goes:

        When someone in my company mentioning using BGAs for a space
application, one
        of our customers raised a concern about dendrite growth.
Unfortunately, this
        is the only information I have.  I don't know any specifics
regarding the
        assembly or the application (or the customer, for that matter) or
where or what
        kind of dendrites.  All I know is that I'm now deemed the "company
expert" on
        BGAs, so I got the task.

        Has anyone heard of a dendrite growth problem associated with BGAs?

        Thanks for your help.

        Jim Marsico
        AIL Systems Inc.
        (516) 595-5879
        [log in to unmask]


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