High-heat-resistant semiconductor device

Active solid-state devices (e.g. – transistors – solid-state diode – Organic semiconductor material

Reexamination Certificate

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C257S077000, C257SE51020

Reexamination Certificate

active

07488973

ABSTRACT:
In a wide gap semiconductor device of SiC or the like used at a temperature of 150 degrees centigrade or higher, the insulation characteristic of a wide gap semiconductor element is improved and a high-voltage resistance is achieved. For these purposes, a synthetic high-molecular compound, with which the outer surface of the wide gap semiconductor element is coated, is formed in a three-dimensional steric structure which is formed by linking together organosilicon polymers C with covalent bonds resulting from addition reaction. The organosilicon polymers C have been formed by linking at least one organosilicon polymers A having a crosslinked structure using siloxane (Si—O—Si combination) with at least one organosilicon polymers B having a linear linked structure using siloxane through siloxane bonds.

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English Translation of JP 57-131250.
European Search Report dated Aug. 16, 2007 (Three (3) pages).
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