Low-pressure mercury vapor discharge lamp with indium-bismuth-me

Details Low-pressure mercury vapor discharge lamp with indium-bismuth-me Low-pressure mercury vapor discharge lamp with indium-bismuth-me

1976-06-14

1979-06-05

Demeo, Palmer C.

Electric lamp and discharge devices

Liquid electrode discharge devices

Auxiliary starting or holding electrode

313490, 316 5, 427423, H01J 6128, H01J 6172

Patent

active

041574850

ABSTRACT:
A low-pressure mercury vapor discharge lamp having a discharge space provided with two thermally emitting electrodes as well as an amalgam of bismuth, indium and mercury, characterized in that the ratio of atoms of bismuth to atoms of indium is between 0.4:0.6 and 0.7:0.3 and the ratio of atoms of mercury to the sum of the atoms of bismuth and indium is between 0.01:0.99 and 0.15:0.85.

REFERENCES:
patent: 3152278 (1964-10-01), Dziergwa et al.
patent: 3436248 (1969-04-01), Dittrich et al.
patent: 3526804 (1970-09-01), Evans et al.
patent: 3742278 (1973-06-01), Shindelman et al.
patent: 3890531 (1975-06-01), Panofski et al.

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