Electrical discharge lamp

Details Electrical discharge lamp Electrical discharge lamp

1977-09-08

1979-01-16

Demeo, Palmer C.

Electric lamp and discharge devices

With support and/or spacing structure for electrode and/or...

For plural electrodes of discharge device

313229, H01J 6120, H01J 6122

Patent

active

041351100

ABSTRACT:
Electrical discharge lamps containing mixed halides of superior performance are provided by the inclusion in the lamp of a volatile complex halide compound of tin and sodium. The halide may be added as a mixture of tin and sodium halide but the complex is formed in operation of the lamp and has a much higher volatility than the constituent halides. The preferred lamps contain 5 to 100 micromoles tin and 1 to 250 micromoles sodium halide per cubic centimeter, in a gas fill containing more than 50 micromoles per c.c. mercury.

REFERENCES:
patent: 3781586 (1973-12-01), Johnson
patent: 3867664 (1975-02-01), Chalmers et al.
patent: 3882345 (1975-05-01), Kazek et al.
patent: 3958145 (1976-05-01), Jack et al.

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