GLASS SUBSTRATE, CHEMICALLY STRENGTHENED GLASS SUBSTRATE AND COVER GLASS, AND METHOD FOR MANUFACTRUING THE SAME

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United States of America Patent

APP PUB NO 20120052275A1
SERIAL NO

13219255

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ATTORNEY / AGENT: (SPONSORED)

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Abstract

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Provided is a cover glass having a down-drawable composition including, in mass percent: 50%-70% SiO2, 5%-20% Al2O3, 6%-20% Na2O, 0%-10% K2O, 0%-10% MgO, above 2%-20% CaO, and 0%-4.8% ZrO2 wherein, (i) 46.5%≦(SiO2−½Al2O3)≦59%, (ii) 0.32+TiO2)/SiO2)<0.07, and (v) 0≦B2O3/R12O<0.1, where R12O represents a total mass percent of one or more compounds selected from the group consisting of Li2O, Na2O and K2O included in the glass substrate.

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Patent Owner(s)

Patent OwnerAddress
HOYA CORPORATION6-10-1 NISHI-SHINJUKU SHINJUKU-KU TOKYO 1608347 ?1608347
AVANSTRATE INCMIE 510-0051

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
HASHIMOTO, Kazuaki Tokyo, JP 111 1203
KOYAMA, Akihiro Takarazuka-shi, JP 105 1751
MORISHITA, Mikiko Pyeongtaek-si, KR 3 128
TAKANO, Tetsuo Tokyo, JP 32 549

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  • 61 Citation Count
  • C03C Class
  • 99.53 % this patent is cited more than
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Citation count rangeNumber of patents cited in rangeNumber of patents cited in various citation count ranges912843201021101 - 1011 - 2021 - 3031 - 4041 - 5071 - 80100 +0102030405060708090100110120130140

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