SILICONE RUBBER COMPOSITION FOR SEALING OPTICAL SEMICONDUCTOR AND OPTICAL SEMICONDUCTOR APPARATUS

SILICONE RUBBER COMPOSITION FOR SEALING OPTICAL SEMICONDUCTOR AND OPTICAL SEMICONDUCTOR APPARATUS

PROBLEM TO BE SOLVED: To obtain a silicone rubber composition for sealing an optical semiconductor, which provides a cured product having excellent strength to molding pressure in sealing with a molding resin and is suitable as a sealant for an optical semiconductor and to provide an optical semicon...

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Hauptverfasser: HIRAI NOBUO, TAIKO KOJI
Format: Patent
Sprache:eng
Schlagworte:
BASIC ELECTRIC ELEMENTS
CHEMISTRY
COMPOSITIONS BASED THEREON
COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
ELECTRIC SOLID STATE DEVICES NOT OTHERWISE PROVIDED FOR
ELECTRICITY
METALLURGY
ORGANIC MACROMOLECULAR COMPOUNDS
SEMICONDUCTOR DEVICES
THEIR PREPARATION OR CHEMICAL WORKING-UP
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creator HIRAI NOBUO
TAIKO KOJI
description PROBLEM TO BE SOLVED: To obtain a silicone rubber composition for sealing an optical semiconductor, which provides a cured product having excellent strength to molding pressure in sealing with a molding resin and is suitable as a sealant for an optical semiconductor and to provide an optical semiconductor apparatus. SOLUTION: The silicone rubber composition for sealing an optical semiconductor comprises (A) a polyorganosiloxane containing ≥0.2 alkenyl group in one molecule on the average, (B) a polyorganohydrogensiloxane composed of (B1) a siloxane containing an SiH group in the middle of a molecular chain and (B2) a siloxane containing SiH groups at both molecular chain terminals, (C) a platinum-based catalyst in which the amount of the component (B) mixed is an amount to give the total of the SiH groups of the component (B) of 0.2-2.0 based on one alkenyl group of the component (A), the ratio of the SiH group of the component (B2) is 0.1-0.8 based on the total of the SiH groups of the component (B) and the amount of the SiH group of the component (B1) is 0.2-1.0 based on one alkenyl group of the component A and has hardness (type E) after curing of 5-50. COPYRIGHT: (C)2008,JPO&INPIT
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subjects BASIC ELECTRIC ELEMENTS
CHEMISTRY
COMPOSITIONS BASED THEREON
COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
ELECTRIC SOLID STATE DEVICES NOT OTHERWISE PROVIDED FOR
ELECTRICITY
METALLURGY
ORGANIC MACROMOLECULAR COMPOUNDS
SEMICONDUCTOR DEVICES
THEIR PREPARATION OR CHEMICAL WORKING-UP
title SILICONE RUBBER COMPOSITION FOR SEALING OPTICAL SEMICONDUCTOR AND OPTICAL SEMICONDUCTOR APPARATUS
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