Title:
GLASS FOR CHEMICAL STRENGTHENING, CHEMICALLY STRENGTHENED GLASS, AND ELECTRONIC DEVICE CASE
Document Type and Number:
WIPO Patent Application WO/2019/022033
Kind Code:
A1
Abstract:
The present invention pertains to a glass for strengthening, that: has an average transmittance of at least 70% when converted to a thickness of 0.8 mm at a wavelength of 380–780 nm; has a haze value of no more than 0.7% when converted to a thickness of 0.8 mm in a C light source; has a Young's modulus of at least 85 GPa; has a fracture toughness value of at least 0.90 MPa·m1/2; a thermal conductivity at 20°C of at least 1.3 W/m·K; and comprises a lithium aluminosilicate crystallized glass.
Inventors:
LI QING (JP)
KOIKE AKIO (JP)
MAEDA ERIKO (JP)
KOIKE AKIO (JP)
MAEDA ERIKO (JP)
Application Number:
PCT/JP2018/027577
Publication Date:
January 31, 2019
Filing Date:
July 23, 2018
Export Citation:
Assignee:
AGC INC (JP)
International Classes:
C03C10/12; C03B32/02; C03C21/00
Domestic Patent References:
| WO2016154235A1 | 2016-09-29 |
Foreign References:
| JP2007527354A | 2007-09-27 | |||
| JPS61101434A | 1986-05-20 | |||
| US4438210A | 1984-03-20 | |||
| JPS6452631A | 1989-02-28 | |||
| JPH0323237A | 1991-01-31 | |||
| JPH0570174A | 1993-03-23 | |||
| JPH08151228A | 1996-06-11 | |||
| JP2010116315A | 2010-05-27 |
Attorney, Agent or Firm:
EIKOH PATENT FIRM, P.C. (JP)
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