Composite boron nitride/silicon ceramic materials
US5116791A · kind A · utility
1Cited by
17References
13Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Aug 5, 1991 |
| Grant date | May 26, 1992 |
| Priority date | — |
| Expiry date | Aug 5, 2011 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T428/2993
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
Novel composite ceramic materials include a boron nitride matrix and an amount of silicon components compatible therewith; such ceramic materials comprise a core volume having an external sheath layer on an outer face surface thereof, with the majority of said silicon values being distributed throughout the external layer.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.