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March 2002

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Subject:
From:
Ted Tontis <[log in to unmask]>
Reply To:
TechNet E-Mail Forum.
Date:
Mon, 18 Mar 2002 11:44:49 -0600
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Kathy,
        The contamination is coming from the solder process. Most feel that
it came from the HASL process and was left behind, following its way to the
assembly process. There are large amounts of chloride and bromide left on
the boards.
        The kicker is what we are finding out is that it is just not one
product. It looks as though it's affected all the products that this co. has
manufactured for us. Some of the products are still on the shelf in a
warehouse, in there original packaging from the assembly house. I have been
able to look over a few of these assembly's and they look to have trace
amounts of contamination in different locations.

Regards,

Ted


<snip>
>Where is the contamination coming
>from?  Is there a specific component
>that is the issue or a process?  What
>type of contamination are you asking
>about?

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