Patent · US Active

Coated article having a protective coating containing silicon nitride and/or silicon oxynitride

US10479724B2 · kind B2 · utility

10Cited by
45References
14Claims
0Family size

Assignee

Inventors

Key dates

Filing dateFeb 13, 2019
Grant dateNov 19, 2019
Priority date
Expiry dateFeb 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.