Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – From phenol – phenol ether – or inorganic phenolate
Patent
1997-12-12
2000-09-26
Truong, Duc
Synthetic resins or natural rubbers -- part of the class 520 ser
Synthetic resins
From phenol, phenol ether, or inorganic phenolate
528 86, 528125, 528167, 528403, 528410, 528422, 528480, 528491, 528503, 525390, 4284111, 437233, 437234, 437235, C08G 7902
Patent
active
06124421&
ABSTRACT:
Dielectric compositions encompassing one or more poly(arylene ether) polymers are provided. The dielectric compositions have the repetitive structural unit: ##STR1## where n=0 to 1; m=0 to 1-n; and Y.sub.1, Y.sub.2, Ar.sub.1 and Ar.sub.2 are each a divalent arylene radical, Y.sub.1 and Y.sub.2 derived from biphenol compounds, Ar.sub.1 derived from difluoroarylethynes and Ar.sub.2 derived from difluoroaryl compounds. Where both Y.sub.1 and Y.sub.2 are derived from fluorene bisphenol, n=0.1 to 1. Such poly(arylene ether) polymers are employed with a variety of microelectronic devices, for example, integrated circuits and multichip modules.
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Brouk Emma
Chen Tian-An
Korolev Boris A.
Lau Kreisler S. Y.
Schilling Paul E.
Allied-Signal Inc.
Truong Duc
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