Discharge electric lamp having barium and cesium interoxides...

Details Discharge electric lamp having barium and cesium interoxides... Discharge electric lamp having barium and cesium interoxides...

H - Electricity

01

J

313/133

H01J 1/14 (2006.01) H01J 61/06 (2006.01)

Patent

CA 1150760

LD 7954 DISCHARGE ELECTRIC LAMP HAVING IMPROVED ELECTRON EMISSION MEANS ABSTRACT OF THE DISCLOSURE A discharge type electric lamp construction is described having an electrode which includes a porous sintered body of refractory metal having an electron- emissive material containing cesium ion dispersed in the pores of the porous sintered body as Cs2MO4 wherein M is a refractory metal. The electron-emissive material is preferably employed in combination with another electron-emissive material containing barium ions to provide a lower breakdown voltage as well as a lower operating voltage for the discharge lamps. Representative electron-emissive materials containing barium ions include barium aluminate and barium tungstate materials.

351565

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