Glass article and method for manufacturing the same
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United States of America Patent
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Feb 27, 2024
Grant Date -
Jun 17, 2021
app pub date -
Jul 10, 2020
filing date -
Dec 17, 2019
priority date (Note) -
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Abstract
A glass article includes lithium aluminosilicate, includes a first surface, a second surface opposed to the first surface, a first compressive region extending from the first surface to a first compression depth, a second compressive region extending from the second surface to a second compression depth, and, a tensile region disposed between the first compression depth and the second compression depth, where a stress profile of the first compressive region has a first local minimum point at which the stress profile is convex downward and a first local maximum point at which the stress profile is convex upward, where a depth of the first local maximum point is greater than a depth of the first local minimum point, and where a stress of the first local maximum point is greater than a compressive stress of the first local minimum point.
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