Chemically strengthened glass and production method therefor
US11731901B2 · kind B2 · utility
1Cited by
13References
12Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jan 21, 2020 |
| Grant date | Aug 22, 2023 |
| Priority date | — |
| Expiry date | Jul 21, 2040 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC03C2204/00
- WIPO fieldMaterials, metallurgy
- WIPO sectorChemistry
Abstract
The purpose of the present invention is to provide a chemically strengthened glass having excellent transparency and strength and being scratch resistant. The present invention pertains to a chemically strengthened glass that: has a compressive stress layer on the surface thereof; has a visible light transmittance of at least 70% when the thickness thereof is converted to 0.8 mm; has a surface compressive stress of at least 600 MPa; has a compressive stress depth of at least 80 μm; and contains a β-spodumene.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.