Patent · US Expired

Ceramic metal halide lamp

US6731068B2 · kind B2 · utility

8Cited by
17References
23Claims
0Family size

Assignee

Inventors

Key dates

Filing dateDec 3, 2001
Grant dateMay 4, 2004
Priority date
Expiry dateDec 3, 2021

Classification

  • Technology area (CPC H)Electricity
  • CPC primaryH01J61/125
  • WIPO fieldElectrical machinery, apparatus, energy
  • WIPO sectorElectrical engineering

Abstract

A metal halide lamp comprised of a ceramic discharge chamber containing an ionizable fill, said fill comprising Hg, and halides (H) of Na, TI, an alkaline earth metal, and 0>rare earth element (Re)<15 as a molar fraction.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.