Metal halide lamp

Details Metal halide lamp Metal halide lamp

1998-04-01

2000-08-22

Patel, Ashok

Electric lamp and discharge devices

With gas or vapor

With particular gas or vapor

313637, 313640, 313641, 313642, H01J 6120

Patent

active

061077429

ABSTRACT:
A metal halide lamp comprises a pair of electrodes and a discharge vessel filled with at least one metal halide comprising at least one rare earth metal halide, halogen in excess of the stoichiometry of the metal halide(s), mercury, and a rare gas. The amount of the mercury is between 7.7 mg/cc and 9.9 mg/cc, the excess halogen is 25-100% (in terms of atoms) of the halogen included in the metal halide(s), and the rated tube power for 200V rated tube voltage is 2000 W-3000 W.

REFERENCES:
patent: 3654506 (1972-04-01), Kuhl et al.
patent: 3781586 (1973-12-01), Johnson
patent: 4988918 (1991-01-01), Mori et al.
patent: 5138227 (1992-08-01), Heider et al.
patent: 5451838 (1995-09-01), Kawai
patent: 5668441 (1997-09-01), Genz

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