Discharge lamp and method of making same

Details Discharge lamp and method of making same Discharge lamp and method of making same

1979-08-29

1981-12-01

Chatmon, Jr., Saxfield

Electric lamp and discharge devices

Electrode and shield structures

Cathodes containing and/or coated with electron emissive...

313218, 313311, H01J 114, H01J 1906, H01K 104

Patent

active

043038484

ABSTRACT:
In a discharge lamp comprising a sintered electrode comprising a high temperature melting metal such as tungsten, molybdenum, tantalum or mixtures thereof as a main ingredient of the sintered electrode and an electron emissive material of an alkaline earth metal or compound thereof, the sintered electrode further comprising at least one oxide of a metal selected from the group consisting of yttrium, zirconium and aluminum.

REFERENCES:
patent: 4052634 (1977-10-01), De Kok
patent: 4097762 (1978-06-01), Hilton et al.
patent: 4136227 (1979-01-01), Saito et al.
patent: 4152619 (1979-05-01), Bhalla
patent: 4152620 (1979-05-01), Bhalla

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