Electric lamp and discharge devices – Electrode and shield structures – Cathodes containing and/or coated with electron emissive...
Patent
1982-02-03
1984-04-03
LaRoche, Eugene R.
Electric lamp and discharge devices
Electrode and shield structures
Cathodes containing and/or coated with electron emissive...
313344, 313345, H01J 113, H01J 1706
Patent
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.
Shimazu Yuji
Takaoka Hidetugu
De Luca Vincent
Hamamatsu TV Co., Ltd.
LaRoche Eugene R.
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