Low pressure mercury vapor discharge lamp having cold cathode

Details Low pressure mercury vapor discharge lamp having cold cathode Low pressure mercury vapor discharge lamp having cold cathode

1991-08-28

1993-10-26

Yusko, Donald J.

Electric lamp and discharge devices

With luminescent solid or liquid material

With gaseous discharge medium

313490, 313488, 313492, 313558, 313566, 313594, 313607, 313631, 313634, H01J 61067, H01J

Patent

active

052569357

ABSTRACT:
A cold cathode mercury vapor discharge lamp includes a bulb, a support wire within the bulb, and a cathode electrode having a pair of V-shaped electrode portions mounted in spaced, end to end relationship along the support wire. The electrodes include exterior surfaces facing towards the bulb walls, and interior surfaces facing towards the support wire. Getters are mounted on the exterior surfaces, and mercury discharge units are mounted on the interior surfaces. The two electrode portions are non-overlapping along the support wire.

REFERENCES:
patent: 2153009 (1939-04-01), Scott
patent: 4680505 (1987-07-01), Funada et al.
patent: 4767965 (1988-08-01), Yamano
patent: 4871941 (1989-10-01), Dobashi et al.
patent: 4887002 (1989-12-01), Dobashi et al.
patent: 4990828 (1991-02-01), Rabusin
Pat. Abstracts of Japan vol. 13, No. 496 Nov. 9, 1989 (2 copies) for JP 1,200,548.

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