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March 1999

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Subject:
From:
"Linda:)" <[log in to unmask]>
Reply To:
TechNet E-Mail Forum.
Date:
Wed, 10 Mar 1999 19:29:10 +0800
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Dear TechNet'ers,

        We are doing some reliability testing of IC packages on HAST. We would
like to try to use some moisture sensing chips this time rather than the
weight gain measurements. Would you mind suggesting us some companies
selling these kinds of chips?

thanks,
Linda.
UST.



> HI all
>
>      We are testing the Tg values in laminated panels randomly twice a week
>as a  process control off lamination process, One of our customers demanding
>to establish testing of  "Delta Tg", We have started with it & We are
>receiving values about 1-2 centigrade (I think that it is O.K.),  We would
>like to know what should be the highest rate for "Delta Tq" in laminated
>boards according to other PCB manufacturers experience. (The IPC is no
>giving any recommendation for maximum rates of "Delta Tg").
>Shabtay Shalev
>Eltek Ltd - Israel
>e-mail :  [log in to unmask]
>
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>--------------------------------------------------------
>Name: Manfred Huschka
>Taconic Advanced Dielectric Division, Mullingar Business Park,
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