Method of producing tempered glass sheet

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United States of America Patent

PATENT NO 9061933
APP PUB NO 20130071666A1
SERIAL NO

13590254

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Abstract

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Provided is a method of producing a tempered glass sheet, comprising applying tempering treatment to a glass sheet by increasing the content of SiO2 in terms of mass in a surface region of a glass sheet through application of thermal treatment to the glass sheet to 1.03 or more times that in an interior region positioned at a depth of 1 μm from a surface of the glass sheet.

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Patent Owner(s)

  • NIPPON ELECTRIC GLASS CO., LTD.

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Kato, Yoshinari Shiga, JP 12 118
Komori, Hiroshi Shiga, JP 59 948
Tomamoto, Masahiro Shiga, JP 26 509

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