Alkaline earth fluoride additive for sintering aluminum nitride
US4843042A · kind A · utility
6Cited by
14References
26Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jun 30, 1986 |
| Grant date | Jun 27, 1989 |
| Priority date | — |
| Expiry date | Jun 30, 2006 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC04B35/581
- WIPO fieldMaterials, metallurgy
- WIPO sectorChemistry
Abstract
An aluminum nitride ceramic body with a thermal conductivity of at least 0.5 W/cm.K at 25.degree. C. is produced by shaping a particulate mixture of aluminum nitride powder and an additive selected from the group consisting of CaF.sub.2, SrF.sub.2, BaF.sub.2 and mixtures thereof into a compact and liquid phase sintering the compact.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.