High pressure sodium discharge lamps with hydrogen getter

Details High pressure sodium discharge lamps with hydrogen getter High pressure sodium discharge lamps with hydrogen getter

1987-05-08

1989-02-21

Moore, David K.

Electric lamp and discharge devices

With getter

Electrode includes getter, supports getter, or is connected...

313562, 2521812, 2521816, H01J 6126

Patent

active

048068284

ABSTRACT:
An arc tube (13) for a high pressure sodium discharge lamp (10) contains a quantity of a getter materal which comprises an alloy of titanium and niobium metal. The alloy is in the form of a coiled wire (31) which is wound on a tungsten electrode shank (29). The wire may have a sheath of niobium metal.

REFERENCES:
patent: 3620645 (1971-11-01), Porta
patent: 3926832 (1975-12-01), Barosi
patent: 4599543 (1986-07-01), Strok

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