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April 1997

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From [log in to unmask] Tue Apr 29 09:
55:46 1997
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Subject:
Thermals DERATING Curves
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"Seamon, James A (GEL,MSX)" <[log in to unmask]>
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HELLO TECHNETTERS,
	
	DOES ANYONE HAVE ANY ADVICE ON FINDING DERATING CURVES FOR BOARD
MATERIALS FR4, Chem1,Chem2 or Chem3? I AM RUNNING THERMAL TESTS ON P.C.
BOARDS FOR UL QUALIFICATION AND I AM SEEING TEMPERATURES AROUND 140'c.
ANY INFORMATION WOULD BE APPRECIATED GREATLY.

		THANK YOU FOR YOUR TIME AND CONSIDERATION.

				J.A.S.
James A. Seamon

James A. Seamon

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