Glass

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United States of America

PATENT NO 12157697
APP PUB NO 20220135465A1
SERIAL NO

17575936

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ATTORNEY / AGENT: (SPONSORED)

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Abstract

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Devised is a glass which has high heat resistance and a low thermal expansion coefficient, and is excellent in productivity. A glass of the present invention includes as a glass composition, in terms of mol %, 55% to 80% of SiO2, 12% to 30% of Al2O3, 0% to 3% of B2O3, 0% to 1% of Li2O+Na2O+K2O, and 5% to 35% of MgO+CaO+SrO+BaO, and has a thermal expansion coefficient within a temperature range of from 30° C. to 380° C. of less than 40×10−7/° C.

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Patent Owner(s)

Patent OwnerAddress
NIPPON ELECTRIC GLASS CO LTDSHIGA SHIGA

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Saito, Atsuki Shiga, JP 24 22

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