Hi Nancy,
My answers, while somewhat facicious and perhaps too general because of
lacking details, should  nevertheless pretty close.
In a message dated 03/08/2002 9:43:40, [log in to unmask] writes:
>     1) What is the equivalent of a Thermal shock cycle?
A: Dropping from the Empire State building.
>     2) How do I evaluate a failure if it fails with-in 80 cycles?
A: Generally, you cannot relate T-shock failures to T-cycle failures, with
some exceptions such as bare boards.
>     3) How do I break down a cycle so it would pretain to the part?
A: You can not.

Werner Engelmaier
Engelmaier Associates, L.C.
Electronic Packaging, Interconnection and Reliability Consulting
7 Jasmine Run
Ormond Beach, FL  32174  USA
Phone: 386-437-8747, Fax: 386-437-8737
E-mail: [log in to unmask], Website: www.engelmaier.com

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