Environmental barrier coating for silicon based substrates such as silicon nitride
US6902836B2 · kind B2 · utility
32Cited by
10References
26Claims
0Family size
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Key dates
| Filing date | May 22, 2003 |
| Grant date | Jun 7, 2005 |
| Priority date | — |
| Expiry date | May 22, 2023 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T428/25
- WIPO fieldMaterials, metallurgy
- WIPO sectorChemistry
Abstract
A bond layer for a silicon based substrate comprises a mixture of a first phase and a second phase, wherein the first phase is selected from the group consisting of refractory metal oxides, refractory metal silicates and mixtures thereof and the second phase is selected from the group consisting of refractory metal oxide forming metals, SiC, Si3N4, and mixtures thereof.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.