Low-pressure mercury discharge lamp

Electric lamp and discharge devices – Having vapor generating material – Mercury vapor material

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Details

313563, 313490, H01J 6128

Patent

active

058412204

ABSTRACT:
A low-pressure mercury discharge lamp is provided with a tubular discharge vessel (10) with end portions (11, 11') having an ionizable filling comprising mercury and rare gas. An electrode (20, 20') is arranged in the discharge vessel at each end portion and is fastened to current supply conductors (30A, 30B; 30A', 30B') which are passed through the end portion to the outside of the discharge vessel. At least one current supply conductor is covered with an amalgam in a zone (35A, 35B) which is at a distance from the end portion (11) via a path along the current supply conductor (30A, 30B). The amalgam can be comparatively easily applied in the lamp.

REFERENCES:
patent: 3562571 (1971-02-01), Evans et al.
patent: 4105910 (1978-08-01), Evans
patent: 5204584 (1993-04-01), Ikeda et al.

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