Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – Mixing of two or more solid polymers; mixing of solid...
Patent
1990-05-01
1992-07-28
Michl, Paul R.
Synthetic resins or natural rubbers -- part of the class 520 ser
Synthetic resins
Mixing of two or more solid polymers; mixing of solid...
525534, 528 96, 528423, 528 98, 523466, C08F28300, C08G 828
Patent
active
051342049
ABSTRACT:
A resin composition for sealing semiconductors which shows high heat resistance and is suitable for sealing semiconductor devices, etc., and which comprises an organic component containing a polymaleimide compound represented by the general formula: ##STR1## where R.sub.1 is a m-valent organic group having at least 2 carbon atoms and m is a positive integer of 2 or more, epoxy compounds mainly consisting of an epoxy compound represented by the general formula: ##STR2## where n is a positive integer of 3-16 and a compound having two or more phenolic hydroxyl groups, and an inorganic filler.
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Asahina Koutarou
Kitahara Mikio
Kubo Takayuki
Machida Koichi
Toriakai Motoyuki
Michl Paul R.
Mitsui Toatsu Chemicals Inc.
Rogers Christopher P.
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