Alloy wire for lamp components and lamps incorporating same

Details Alloy wire for lamp components and lamps incorporating same Alloy wire for lamp components and lamps incorporating same

H - Electricity

01

K

75/59, 313/172.1

H01K 1/04 (2006.01) H01J 7/18 (2006.01) H01K 1/18 (2006.01) H01K 3/02 (2006.01)

Patent

CA 1184967

ABSTRACT OF THE DISCLOSURE An alloy wire consisting essentially of a single phase solid solution of tungsten and about 0.2 to about 6 percent by weight tantalum includes grain controlling additives. The alloy wire may be used in lamps as a filament or as a gettering component and the additives consist essentially of from about 30 to about 200 parts per million potassium and less than about 100 parts per million silicon.

397847

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