Method of constructing an electric lamp using carbon monoxide as

Details Method of constructing an electric lamp using carbon monoxide as Method of constructing an electric lamp using carbon monoxide as

1990-01-29

1991-06-11

Ramsey, Kenneth J.

Electric lamp or space discharge component or device manufacturi

Process

With start up, flashing or aging

H01J 944

Patent

active

050228803

ABSTRACT:
A method is provided for constructing an electric lamp such as, for example, a tungsten halogen capsule, using carbon monoxide as a reducing gas to remove oxides from lamp components during the manufacture thereof. To this end, prior to evacuation the lamp envelope is filled with a forming gas such as, for example, a carbon monoxide- nitrogen mixture, and the envelope is given one or more light-ups to thereby deoxidize the lamp components.

REFERENCES:
patent: 2041610 (1936-05-01), Killian
patent: 3364376 (1968-01-01), Collins et al.
patent: 3492598 (1970-01-01), MacNair
patent: 3728572 (1973-04-01), Maier et al.
patent: 4129348 (1978-12-01), Karlotski
patent: 4163171 (1979-07-01), Wurster

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