Metal halide discharge lamp containing a sodium getter

Details Metal halide discharge lamp containing a sodium getter Metal halide discharge lamp containing a sodium getter

1991-11-21

1993-05-18

DeMeo, Palmer C.

Electric lamp and discharge devices

With getter

Gas or vapor device type

313639, 313642, H01J 6120, H01J 6126

Patent

active

052124240

ABSTRACT:
Sodium metal has been found to be effective in gettering excess halogen present in metal halide lamps containing mercury, an inert starting gas and at least one ionizable metal halide for forming a light-emitting arc.

REFERENCES:
patent: 3398312 (1968-08-01), Edris et al.
patent: 3832591 (1974-08-01), Larson
patent: 4360756 (1982-11-01), Spencer et al.
patent: 4798995 (1989-01-01), Gilliard et al.
patent: 4866342 (1989-09-01), Ramaiah et al.

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