Mercury gas discharge device
US6825613B2 · kind B2 · utility
1Cited by
4References
20Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Sep 12, 2002 |
| Grant date | Nov 30, 2004 |
| Priority date | — |
| Expiry date | Sep 12, 2022 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH01J61/20
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
A mercury gas discharge device comprises an envelope with inert gas and mercury vapour contained within it. The mercury gas discharge device further comprises a pair of electrodes. One or more sintered metal portions are also located inside the envelope. The sintered metal portions have high gettering characteristics with respect to waste gases, but low gettering characteristics with respect to the mercury vapour.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.