Low-pressure mercury vapor discharge lamp

Details Low-pressure mercury vapor discharge lamp Low-pressure mercury vapor discharge lamp

1979-09-26

1981-09-08

Demeo, Palmer C.

Electric lamp and discharge devices

Liquid electrode discharge devices

Auxiliary starting or holding electrode

313490, 417 48, H01S 6128

Patent

active

042887151

ABSTRACT:
Low-pressure mercury vapor discharge lamp having in the discharge vessel a vapor pressure-controlling mercury amalgam which is secured to the inner surface of a wall of a container which is provided with an opening to the discharge vessel. Such securing reduces the risk that small portions of the amalgam might become dislodged by vibration or shock and escape from the container into the discharge vessel. The amalgam is secured to the container wall by fusion thereto by means of an intermediate "wetting" agent formed by a thin layer of nickel.

REFERENCES:
patent: 4157485 (1979-06-01), Wesselink et al.

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