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April 1999

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Subject:
Re: DSC vs. TMA
From:
joyce <[log in to unmask]>
Reply To:
TechNet E-Mail Forum.
Date:
Tue, 20 Apr 1999 18:47:57 -0400
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The DSC usually gave high Tg value than TMA.
jk
At 08:41 AM 4/20/99 PDT, you wrote:
>Hello all,
>
>Could somebody tell me how the measurement results differ?  I vaguely
>recall that when measuring the same board by these two different
>methods, one method would show a slightly higher value than the other.
> But, I can't recall which one.  For example, is 135 C Tg by DSC
>equivalent to 130 C Tg by TMA?
>
>I know there's sample and test variation, but I'm looking at results
>in general.
>
>And, while we're on it, which test method is your preference,
>especially when it comes to specification issues.
>
>Thanks
>
>Glenn Pelkey
>[log in to unmask]
>[log in to unmask]
>
>
>
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