Patent · US Active

Short arc lamp

US7868552B2 · kind B2 · utility

0Cited by
2References
20Claims
0Family size

Assignee

Inventors

Key dates

Filing dateJul 9, 2007
Grant dateJan 11, 2011
Priority date
Expiry dateApr 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.