Title:
CHEMICALLY-STRENGTHENED GLASS CONTAINING CRYSTALLIZED GLASS, AND METHOD FOR MANUFACTURING SAME
Document Type and Number:
WIPO Patent Application WO/2022/215575
Kind Code:
A1
Abstract:
The present invention relates to a chemically-strengthened glass having a first main surface and a second main surface that face each other, comprising a crystallized glass that contains crystals and residual glass, and having a CS0 of 450 MPa or greater and a CS50 of 150 MPa or greater. The chemically-strengthened glass has, on the first main surface and the second main surface, a plurality of non-through holes having a diameter average value of 5-50 nm, the depth average value of the non-through holes measured by using a cross-section SEM image of the first main surface and second main surface is 5-50 nm, and the total area ratio of the non-through holes with respect to the whole visual field area in a surface SEM image of the first main surface and second main surface is 1-40%.
Inventors:
UMADA TAKUMI (JP)
LI QING (JP)
WACHI SHUNJI (JP)
LI QING (JP)
WACHI SHUNJI (JP)
Application Number:
PCT/JP2022/014980
Publication Date:
October 13, 2022
Filing Date:
March 28, 2022
Export Citation:
Assignee:
AGC INC (JP)
International Classes:
C03C15/00; C03C10/12; C03C21/00
Domestic Patent References:
| WO2020161949A1 | 2020-08-13 | |||
| WO2015033826A1 | 2015-03-12 |
Foreign References:
| JP2002255576A | 2002-09-11 | |||
| JPH01278433A | 1989-11-08 |
Attorney, Agent or Firm:
EIKOH PATENT FIRM, P.C. (JP)
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