Method of making direct seal between niobium and ceramics
US4545799A · kind A · utility
54Cited by
9References
1Claims
0Family size
Assignees
Inventors
Key dates
| Filing date | Sep 6, 1983 |
| Grant date | Oct 8, 1985 |
| Priority date | — |
| Expiry date | Sep 6, 2003 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH01J61/366
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
A high pressure arc lamp has a ceramic arc tube envelope. A niobium feedthrough positions electrodes within the tube. A ceramic insert at each end of the tube forms a direct high temperature hermetic seal with the niobium feedthrough and the ceramic tube without the use of frits or brazing.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.