Temperature resistant carbon coatings
US12123088B2 · kind B2 · utility
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14Claims
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Assignee
Inventor
Key dates
| Filing date | Nov 7, 2019 |
| Grant date | Oct 22, 2024 |
| Priority date | — |
| Expiry date | May 9, 2041 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC23C28/046
- WIPO fieldSurface technology, coating
- WIPO sectorChemistry
Abstract
The invention provides a substrate coated with a multi-layer coating, comprising in order: (a) the substrate; (b) a thermally insulating layer (e.g. Si3N4); (c) an interfacial layer (e.g. SiC); and (d) one or more layers comprising ta-C; wherein the interfacial layer promotes adhesion of the one or more layers comprising ta-C to the thermally insulating layer; and methods for producing such coatings.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.