Single-ended metal halogen lamp and fabrication process employin

Details Single-ended metal halogen lamp and fabrication process employin Single-ended metal halogen lamp and fabrication process employin

1983-06-09

1988-08-23

Boudreau, Leo H.

Electric lamp and discharge devices

With gas or vapor

Having particular electrode structure

313634, 313641, H01J 6106, H01J 6120, H01J 6133, H01J 6154

Patent

active

047663480

ABSTRACT:
A single-ended metal halide discharge lamp includes an elliptical-shaped envelope having a pair of electrodes sealed therein and a fill gas which includes metal halogen selected in accordance with the ionization potentials thereof to provide "white" light with minimal color separation. In another aspect, the above-described lamp is fabricated by a process wherein an elliptical-shaped envelope is formed, a pair of electrodes sealed therein and a gas fill is selected including argon, mercury and additive halogen gases selected in accordance with the ionization potentials thereof to provide "white" light with minimal color separation.

REFERENCES:
patent: 3259777 (1966-07-01), Fridrich
patent: 3876895 (1975-04-01), Lake et al.
patent: 4308483 (1981-12-01), Keefe et al.

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