Electrodeless high pressure sodium iodide arc lamp
US4783615A · kind A · utility
31Cited by
11References
10Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Jun 26, 1985 |
| Grant date | Nov 8, 1988 |
| Priority date | — |
| Expiry date | Jun 26, 2005 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH01J65/048
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
High pressure xenon is used as a buffer gas in an electrodeless sodium iodide arc lamp. Very high efficacies are achieved by using an arc tube with rounded edges and by surrounding a portion of the arc tube with quartz wool. The arc tube may also contain small amounts of mercury iodide.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.