Glass plate production method, glass plate, glass article production method, glass article, and glass article production apparatus

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United States of America Patent

PATENT NO 12030803
APP PUB NO 20210053862A1
SERIAL NO

17075368

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Abstract

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A glass plate, containing: a first main surface and a second main surface opposite to each other, wherein an in-plane void region having a plurality of voids is arranged on the first main surface, a plurality of internal void rows each having one void or two or more voids are arranged from the in-plane void region toward the second main surface, and a cut surface obtained by cutting the glass plate to pass through the in-plane void region and the plurality of internal void rows has a compressive stress layer formed by applying a chemical strengthening treatment in the center of the cut surface.

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Patent Owner(s)

Patent OwnerAddress
AGC INCTOKYO 100-8405

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Ito, Jun Chiyoda-ku, JP 275 3745
Nagasawa, Ikuo Tokyo, JP 17 115

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