Incandescent lamps including a combined getter

Details Incandescent lamps including a combined getter Incandescent lamps including a combined getter

1989-08-08

1990-05-08

Rowan, Kurt

Electric lamp or space discharge component or device manufacturi

Process

Including evacuating, degasifying or getter or fluent...

445 9, 313557, H01J 938

Patent

active

049234242

ABSTRACT:
This invention relates to incandescent lamps and more particularly to the gettering of such lamps. In accordance with the present invention, there is provided an incandescent lamp comprising an envelope, a tungsten filament mounted within the envelope, a fill gas, and a getter comprising phosphorus and a borane compound and/or partially halogenated derivatives thereof. In accordance with another aspect of the present invention, there is provided a method of gettering an incandescent lamp. The method comprises providing the above-described getter in an unsealed lamp envelope; sealing the lamp envelope; and activating the getter located within the sealed envelope.

REFERENCES:
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patent: 4727286 (1988-02-01), Keenan
patent: 4810221 (1989-03-01), Shaffer

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