Metal halide lamp

Details Metal halide lamp Metal halide lamp

1998-02-20

2000-02-08

Patel, Ashok

Electric lamp and discharge devices

With gas or vapor

Having a particular total or partial pressure

313567, 313331, 313638, H01J 1718, H01J 6136

Patent

active

060231297

ABSTRACT:
A single-tube high-watt metal halide lamp being characterized in that its fixture socket installation portions are formed at caps secured to a pair of sealing portions formed at both sides of a discharge tube, and the distance between the fixture socket installation portion and the sealing portion is set at 8.5 mm or less so as to dispose the molybdenum foil of the sealing portion close to a socket of a lighting fixture, whereby the lamp can reduce the temperatures at the ends of the sealing portions and can have a long service life.

REFERENCES:
patent: 3706000 (1972-12-01), Retzer et al.
patent: 4673843 (1987-06-01), Okanuma
patent: 5486737 (1996-01-01), Hrubowchak et al.
patent: 5854535 (1998-12-01), Hohlfeld et al.

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