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February 2002

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Wed, 20 Feb 2002 22:49:16 EST
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Hi Richard,
In a message dated 02/20/2002 19:00:45, [log in to unmask] writes:
>there are probably advantages in dropping off much faster, particularly from
the reflow peak to well
>under liquidous (maybe as fast as 4 C/sec?).

No, there is no advantage in dropping off much faster, in fact you risk
fracturing your just formed SJs due to warping because of the thermal shock
temperature gradients.

Werner Engelmaier

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