Coated transparent substrate
US5464683A · kind A · utility
10Cited by
5References
3Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Dec 7, 1992 |
| Grant date | Nov 7, 1995 |
| Priority date | — |
| Expiry date | Dec 7, 2012 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T428/24975
- WIPO fieldSurface technology, coating
- WIPO sectorChemistry
Abstract
A coated transparent substrate is composed of a multi-layer layer-system on at least one of its sides with at least one layer of the oxynitride of hafnium, the layer-system comprising a sequence of hafnium-oxynitride layer and silicon-oxide layer.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.