Tungsten-halogen lamp with metal additive

Details Tungsten-halogen lamp with metal additive Tungsten-halogen lamp with metal additive

1986-03-31

1989-08-15

DeMeo, Palmer C.

Electric lamp and discharge devices

With getter

Incandescent lamp type

313559, 313579, H01K 156, H01K 150

Patent

active

048578045

ABSTRACT:
A tungsten-halogen lamp achieves long life in any burning orientation by the inclusion within the lamp of copper, which reduces filament sag and filament corrosion.

REFERENCES:
patent: 3227909 (1966-01-01), Schilling et al.
patent: 3496401 (1970-02-01), Dumbaugh, Jr.
patent: 3798491 (1974-03-01), Malm
patent: 3843899 (1974-10-01), T'Jampens et al.
patent: 3912960 (1975-10-01), Danko
patent: 4296351 (1981-10-01), Kimball et al.
patent: 4354137 (1982-10-01), Martin et al.
patent: 4524302 (1985-06-01), Berlec

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