Electrode for discharge lamps
US5880558A · kind A · utility
4Cited by
6References
17Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Apr 23, 1997 |
| Grant date | Mar 9, 1999 |
| Priority date | — |
| Expiry date | Apr 23, 2017 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH01J61/0677
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
The invention relates to an electrode for discharge lamps, with an electron mitter which contains a barium compound from the group barium zirconate (BaZrO.sub.3), barium hafnate (BaHfO.sub.3), barium titanate (BaTiO.sub.3) and barium cerate (BaCeO.sub.3) as well as one or more metallic components.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.