Electric lamp and discharge devices – With support and/or spacing structure for electrode and/or... – For plural electrodes of discharge device
Patent
1975-04-29
1976-09-07
Rolinec, R. V.
Electric lamp and discharge devices
With support and/or spacing structure for electrode and/or...
For plural electrodes of discharge device
313184, 313225, H01J 6118
Patent
active
039796248
ABSTRACT:
High-intensity arc-discharge (HID) device of the metal-halide additive type incorporates as essential discharge-sustaining constituents mercury and inert ionizable starting gas and also sodium and/or lithium iodides and/or bromides as well as scandium iodide and/or bromide. The molar ratio of alkali metal halide to scandium halide is from about 1.7:1 to about 5:1 and this greatly enhances the device efficacy for the generation of visible light, which can be enhanced by as much as 32 percent.
REFERENCES:
patent: 3407327 (1968-10-01), Koury et al.
Hirayama Chikara
Liu Chi-sheng
Madia Ronald A.
Zollweg Robert J.
Hostetter Darwin R.
Palmer W. D.
Rolinec R. V.
Westinghouse Electric Corporation
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