Short arc lamp
US7868552B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Jul 9, 2007 |
| Grant date | Jan 11, 2011 |
| Priority date | — |
| Expiry date | Apr 4, 2029 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH01J61/526
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
A short arc lamp comprises a body portion made from an insulating material and having a curved reflective surface, in which a concave discharge space is formed; a pair of cathode and anode disposed at a focal point of the reflective surface with a gap; a support member connected to the cathode; and an electric supply ring connected to the support member, wherein a heat release member is provided on the anode or the support member or when a heat capacity of the cathode is A and that of the support member is B, a relationship of A and B is B/A>2.8.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.