Cathode for a gas discharge tube

Electric lamp and discharge devices – Electrode and shield structures – Cathodes containing and/or coated with electron emissive...

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313344, 313345, H01J 113, H01J 1706

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active

044410484

ABSTRACT:
A tungsten double coil covered with cathode material made from a paste of carbonate mixed with organic solvent. The coil is mounted around a molybdenum cylinder having a cavity in which a heater is installed.

REFERENCES:
patent: 2820920 (1958-01-01), Penon
patent: 3018404 (1962-01-01), Dudley et al.
patent: 3809943 (1974-05-01), Collins et al.
patent: 4136227 (1979-01-01), Saito et al.

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