Glass for chemical strengthening, chemically strengthened glass, and electronic device case
US11718556B2 · kind B2 · utility
2Cited by
14References
18Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jan 21, 2020 |
| Grant date | Aug 8, 2023 |
| Priority date | — |
| Expiry date | Mar 12, 2042 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC03C10/0027
- WIPO fieldMaterials, metallurgy
- WIPO sectorChemistry
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.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.