Metal halogen electrodeless illumination lamp
US6734630B1 · kind B1 · utility
6Cited by
11References
23Claims
0Family size
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Inventors
Key dates
| Filing date | Nov 20, 2000 |
| Grant date | May 11, 2004 |
| Priority date | — |
| Expiry date | May 9, 2021 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH01J61/125
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
A metal halogen electrodeless illumination lamp including a microwave generator coupled via a coupling means with a microwave cavity which contains a discharge bulb, and a microwave screen its function being performed by some part of the microwave cavity walls, which is transparent to optical radiation The discharge bulb contains a fill mixture of metal halogens, such as Bi halide, a mixture of Sn and Al and a mixture of their compounds, which emits visible optical radiation featuring a molecular spectrum.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.