CHEMICALLY STRENGTHENED GLASS AND MANUFACTURING METHOD THEREOF
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United States of America Patent
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Issued Date -
Oct 3, 2024
app pub date -
Jun 7, 2024
filing date -
Feb 26, 2021
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Abstract
The present invention relates to a chemically strengthened glass having a thickness t (mm), in which a first-order derivative CSx′ of a stress value CSx (MPa) is −4.7 or larger in a range of CSx≥0 in a profile of the stress value CSx (MPa), in which the stress value CSx (MPa) is a function of depth x (μm) from a glass surface, and in which the stress value CSx (MPa) is measured by a scattered light photoelastic stress meter, and a manufacturing method thereof.
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