Coated article having a protective coating containing silicon nitride and/or silicon oxynitride
US10479724B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Feb 13, 2019 |
| Grant date | Nov 19, 2019 |
| Priority date | — |
| Expiry date | Feb 13, 2039 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC03C2217/944
- WIPO fieldMaterials, metallurgy
- WIPO sectorChemistry
Abstract
A coated article includes a substrate, a functional layer over at least a portion of the substrate, and a protective coating over at least a portion of the functional layer, wherein an uppermost layer of the functional layer is a metal oxide layer, and wherein the protective coating comprises a metal nitride layer and a metal oxynitride layer that is disposed between and in contact with at least part of the metal nitride layer and the metal oxide layer of the functional layer.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.