Tempered glass
US11236015B2 · kind B2 · utility
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8Claims
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Key dates
| Filing date | Mar 29, 2016 |
| Grant date | Feb 1, 2022 |
| Priority date | — |
| Expiry date | Apr 4, 2038 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC03C3/078
- WIPO fieldMaterials, metallurgy
- WIPO sectorChemistry
Abstract
A tempered glass has a sheet thickness of 0.6 mm or less and having a compression stress layer resulting from chemical tempering at a surface thereof, which satisfies requirements of CS×(DOL−20)/DOL>360 and DOL/t≤0.20 when the compression stress value of the compression stress layer is represented by CS (Mpa), the depth of the compression stress layer is represented by DOL (μm), and the sheet thickness is represented by t (μm).
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.