Method for gettering incandescent lamps

Details Method for gettering incandescent lamps Method for gettering incandescent lamps

1988-02-09

1989-03-07

Rowan, Kurt

Electric lamp or space discharge component or device manufacturi

Process

Generating gas or vapor within an envelope, or coating by...

445 55, 445 53, H01J 938

Patent

active

048102210

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 improved method of gettering an incandescent lamp. The method comprises introducing a fill gas and a getter compound comprising a borane compound, or a partially halogenated derivative thereof, into an unsealed lamp envelope; sealing the lamp envelope; and heating the sealed envelope, for a sufficient period of time, and at a temperature sufficient to activate the getter to perform its desired gettering function prior to the thermal decomposition thereof.

REFERENCES:
patent: 1166464 (1916-01-01), Liebmann
patent: 1269520 (1918-06-01), Blau
patent: 1560981 (1925-11-01), De Graaff
patent: 1648677 (1927-11-01), De Boer
patent: 1944825 (1929-12-01), Millner
patent: 3510189 (1970-05-01), Larson
patent: 3585435 (1971-06-01), T'Jampens
patent: 4005324 (1977-01-01), Dolenga et al.
patent: 4024425 (1977-05-01), Higashi et al.
patent: 4213662 (1980-07-01), Giller et al.
patent: 4727286 (1988-02-01), Keenan et al.

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