Title:
CRYSTALLIZED GLASS AND CHEMICALLY STRENGTHENED GLASS
Document Type and Number:
WIPO Patent Application WO/2022/168895
Kind Code:
A1
Abstract:
The purpose of the present invention is to provide crystallized glass which has excellent impact resistance. The present invention pertains to crystallized glass which contains a crystal and residual glass, wherein the Young's modulus parameter ER of the residual glass is at least 75 when calculated on the basis of a specific formula by using the content of each of the following components, which consist of SiO2, Al2O3, B2O3, P2O5, MgO, CaO, SrO, BaO, Li2O, Na2O, K2O, ZrO2, TiO2, La2O3, Y2O3 and ZnO and are displayed as a mole percentage of the oxide content in the residual glass.
Inventors:
SAWAMURA SHIGEKI (JP)
LI QING (JP)
FURUTA HITOMI (JP)
AKIBA SHUSAKU (JP)
LI QING (JP)
FURUTA HITOMI (JP)
AKIBA SHUSAKU (JP)
Application Number:
PCT/JP2022/004141
Publication Date:
August 11, 2022
Filing Date:
February 02, 2022
Export Citation:
Assignee:
AGC INC (JP)
International Classes:
C03C10/00; C03C3/083; C03C3/085; C03C3/091; C03C3/093; C03C3/095; C03C3/097; C03C21/00
Domestic Patent References:
| WO2020018309A2 | 2020-01-23 | |||
| WO2020073254A1 | 2020-04-16 | |||
| WO2019022033A1 | 2019-01-31 |
Other References:
INABA, SEIJI; FUJINO, SHIGERU: "Mechanical Properties of Glass", NEW GLASS, vol. 23, no. 4, 1 January 2008 (2008-01-01), JP , pages 46 - 52, XP009538572, ISSN: 0914-6563
Attorney, Agent or Firm:
EIKOH PATENT FIRM, P.C. (JP)
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