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Date: | Wed, 24 Nov 2004 19:38:42 EST |
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Hi Paul,
Problem is there is FR-4 and there is FR-4.
FR-4 can have Tg ranging from 115 [the old stuff] to above 170, but more
importantly is Td which can range from 300 to 340C.
Regards,
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, Cell: 386-316-5904
E-mail: [log in to unmask], Website: www.engelmaier.com
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