CHEMICALLY STRENGTHENED GLASS PLATE, PORTABLE INFORMATION TERMINAL, AND MANUFACTURING METHOD OF CHEMICALLY STRENGTHENED GLASS PLATE
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United States of America Patent
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Oct 31, 2019
app pub date -
Apr 25, 2019
filing date -
Apr 27, 2018
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Abstract
An object of the present invention is to provide a chemically strengthened glass plate that is chemically strengthened and thereby increased in strength in its entirety, a portable information terminal using the chemically strengthened glass plate, and a manufacturing method of the a chemically strengthened glass plate. The chemically strengthened glass plate and the manufacturing method thereof according to the present invention is suitable for use in fields of portable information terminals, substrates, etc. in which glass plates having high resistance to impact are required.
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