Low pressure mercury vapor discharge lamp

Details Low pressure mercury vapor discharge lamp Low pressure mercury vapor discharge lamp

1988-09-02

1990-05-08

Wieder, Kenneth

Electric lamp and discharge devices

With luminescent solid or liquid material

With gaseous discharge medium

313161, 313565, 313639, H01J 6120

Patent

active

049241427

ABSTRACT:
A low-pressure mercury vapor discharge lamp having a discharge vessel sealed in a gas-tight manner in which a discharge is present during operation of the lamp. The vessel contains a small quantity of an alloy comprising indium, tin and zinc forming an amalgam with mercury, the ratio between the atoms of indium and the atoms of tin in the amalgam-forming alloy being between 3:1 and 8:1, the ratio between the sum of the atoms of indium and tin and the atoms of zinc being between 95:5 and 99:1 and the ratio between the sum of the atoms of indium, tin and zinc and the atoms of mercury being between 95:5 and 99:1.

REFERENCES:
patent: 3890531 (1975-06-01), Panofski et al.

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