HID lamp electrode comprising solid solution of dibarium calcium

Details HID lamp electrode comprising solid solution of dibarium calcium HID lamp electrode comprising solid solution of dibarium calcium

1977-10-21

1978-10-31

Rolinec, Rudolph V.

Electric lamp and discharge devices

With support and/or spacing structure for electrode and/or...

For plural electrodes of discharge device

313311, 313346R, H01J 6106

Patent

active

041236858

ABSTRACT:
For HID lamps, and particularly high-pressure sodium-mercury HID lamps, the electron-emissive material portion of the lamp electrodes is a solid solution of dibarium calcium tungstate and dibarium calcium molybdate wherein the molar ratio of tungstate to molybdate is from 9:1 to 1:9. Emissive properties of the electrode are good and vapor pressure of emissive material is low.

REFERENCES:
patent: 3170081 (1965-02-01), Rokasz
patent: 4052634 (1977-10-01), DeKok

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