Tempered glass sheet and method for manufacturing same
US11964908B2 · kind B2 · utility
0Cited by
4References
17Claims
0Family size
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Key dates
| Filing date | Dec 24, 2019 |
| Grant date | Apr 23, 2024 |
| Priority date | — |
| Expiry date | Dec 24, 2039 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC03C2204/00
- WIPO fieldMaterials, metallurgy
- WIPO sectorChemistry
Abstract
The present invention provides a tempered glass sheet having a compressive stress layer in a surface thereof, the tempered glass sheet including as a glass composition, in terms of mol %, 50% to 80% of SiO2, 8% to 25% of Al2O3, 0% to 10% of B2O3, 3% to 15% of Li2O, 3% to 21% of Na2O, 0% to 10% of K2O, 0% to 10% of MgO, 0% to 10% of ZnO, and 0% to 15% of P2O5.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.