Multilayer substrate
US8241757B2 · kind B2 · utility
0Cited by
4References
4Claims
0Family size
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Key dates
| Filing date | Oct 27, 2009 |
| Grant date | Aug 14, 2012 |
| Priority date | — |
| Expiry date | Aug 14, 2030 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T428/31678
- WIPO fieldSurface technology, coating
- WIPO sectorChemistry
Abstract
A multilayer substrate includes a base layer, a coating layer and an intermediate layer positioned between the base layer and the coating layer. The intermediate layer contains chromium and nitrogen. A content of the chromium in the intermediate layer gradually decreases from the base layer to the coating layer.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.