Apparatus for exciting an electrodeless lamp with an increasing electric field intensity
US5594303A · kind A · utility
57Cited by
8References
10Claims
0Family size
Assignee
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Key dates
| Filing date | Mar 9, 1995 |
| Grant date | Jan 14, 1997 |
| Priority date | — |
| Expiry date | Mar 9, 2015 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH01J65/044
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
Apparatus for efficiently exciting an electrodeless lamp to produce visible light. A source of microwave energy is coupled to a cylindrical cavity which encloses an electrodeless lamp. The cylindrical cavity includes a sidewall and end wall which is made from a metallic mesh which passes light produced from the electrodeless lamp. The electric field intensity within the cylindrical cavity is increased in the region above the lamp center. The increased electric field intensity produces a more uniform temperature across the bulb service, increasing the rate of plasma heating of gas molecules in the lamp.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.