Electrically conductive boat for vacuum evaporation of metals
US4199480A · kind A · utility
5Cited by
5References
3Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | May 25, 1978 |
| Grant date | Apr 22, 1980 |
| Priority date | — |
| Expiry date | May 25, 1998 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC23C14/26
- WIPO fieldMaterials, metallurgy
- WIPO sectorChemistry
Abstract
An electrically conductive boat for the vacuum evaporation of metals comprises a refractory composition consisting essentially of a conductor of titanium diboride and/or zirconium diboride, a coconductor of silicon carbide and an insulator of boron nitride.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.