Silicon based substrate with yttrium silicate environmental/thermal barrier layer
US6296941A · kind A · utility
48Cited by
4References
29Claims
0Family size
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Key dates
| Filing date | Apr 15, 1999 |
| Grant date | Oct 2, 2001 |
| Priority date | — |
| Expiry date | Apr 15, 2019 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC23C30/00
- WIPO fieldMaterials, metallurgy
- WIPO sectorChemistry
Abstract
A barrier layer for a silicon containing substrate which inhibits the formation of gaseous species of silicon when exposed to a high temperature aqueous environment comprises a yttrium silicate.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.