Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – Processes of preparing a desired or intentional composition...
Patent
1990-02-20
1993-11-02
Michl, Paul R.
Synthetic resins or natural rubbers -- part of the class 520 ser
Synthetic resins
Processes of preparing a desired or intentional composition...
523436, 428413, 4284735, 524504, C08L 6300
Patent
active
052584267
ABSTRACT:
A semiconductor device encapsulant contains (a) a thermosetting resin for providing a cured product having a glass transition temperature of not less than 190.degree. C., (b) a filler consisting of a fused silica, (c) a modifier consisting of an MBS or ABS, (d) a modifier consisting of a silicone rubber or a silicone gel, and (e) a lubricant containing a metal chelate compound.
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Preprint for 36th "Netsu Kokasei Jushi Toronkai" K. Yamamoto; Oct. 23, 1986.
World Patents Index Latest Derwent Publications Ltd., London GB: AN 87-296487 & JP14 A-62 209 126 (Toshiba KK) Sep. 14, 1987 abstract.
Fujieda Shinetsu
Higashi Michiya
Shimozawa Hiroshi
Uchida Ken
Yoshizumi Akira
Cain Edward J.
Kabushiki Kaisha Toshiba
Michl Paul R.
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