Textured glass-based articles with scratch resistance and methods of making the same
US11548810B2 · kind B2 · utility
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19Claims
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Key dates
| Filing date | Sep 12, 2018 |
| Grant date | Jan 10, 2023 |
| Priority date | — |
| Expiry date | Jul 4, 2041 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC03C2204/08
- WIPO fieldMaterials, metallurgy
- WIPO sectorChemistry
Abstract
An article that includes: a glass-based substrate comprising a thickness, a primary surface and a compressive stress region that extends from the primary surface to a selected depth; and a textured region defined by the primary surface. The textured region comprises a surface roughness (Ra) of at least 10 nm. The article can also comprise a Knoop Scratch Threshold of at least 9 Newtons (N).
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.