Low wattage metal halide lamp

Details Low wattage metal halide lamp Low wattage metal halide lamp

1986-05-30

1987-11-24

Boudreau, Leo H.

Electric lamp and discharge devices

With gas or vapor

With particular gas or vapor

313620, 313639, 313642, 313633, H01J 1720

Patent

active

047091843

ABSTRACT:
A low wattage metal halide discharge lamp includes a sealed outer envelope with a pair of electrical conductors passing therethrough and containing an arc tube having a pair of electrodes electrically connected to the pair of electrical conductors with a chemical fill within the arc tube including iodides of sodium and scandium of a molar ratio in the range of about 20:1 to 28:1.

REFERENCES:
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patent: 3407327 (1968-10-01), Koury et al.
patent: 3832591 (1974-08-01), Larson
patent: 3898504 (1975-08-01), Akutsu et al.
patent: 4161672 (1979-07-01), Cap et al.
patent: 4245175 (1981-01-01), McAllister
patent: 4298813 (1981-11-01), Johnson
patent: 4374339 (1983-02-01), Tielemans et al.
patent: 4387319 (1983-06-01), White et al.
patent: 4499396 (1985-02-01), Fohl et al.

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