Electrode materials for electric lamps and methods of manufacture thereof
US7652415B2 · kind B2 · utility
0Cited by
17References
18Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Oct 20, 2005 |
| Grant date | Jan 26, 2010 |
| Priority date | — |
| Expiry date | Oct 27, 2027 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH01J61/0737
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
An electron emissive material comprises an alkaline earth metal halide composition and operable to emit electrons on excitation. A lamp including an envelope, an electrode including an alkaline earth metal halide electron emissive material and a discharge material, is also disclosed.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.