Glass substrate
US11802080B2 · kind B2 · utility
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9Claims
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Key dates
| Filing date | Jul 19, 2022 |
| Grant date | Oct 31, 2023 |
| Priority date | — |
| Expiry date | Jul 19, 2042 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC03C2204/08
- WIPO fieldMaterials, metallurgy
- WIPO sectorChemistry
Abstract
A glass substrate 10 has a mark provided on a surface 10A of the glass substrate 10, the mark including plural dots 104, a depth H of each of the dots 104 is 0.5 μm or larger and 7.0 μm or smaller, and an inclination angle of a side surface 104B of each of the dots 104 is 5° or larger and 56° or smaller.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.