Electric lamp and discharge devices – With support and/or spacing structure for electrode and/or... – For indirectly heated cathode
Patent
1982-12-01
1985-06-18
Moore, David K.
Electric lamp and discharge devices
With support and/or spacing structure for electrode and/or...
For indirectly heated cathode
313292, 313 38, 313340, 313337, H01J 194, H01J 126, H01J 1948
Patent
active
045242968
ABSTRACT:
A cathode structure includes a thermal conductive member, a heater for heating a thermal conductive member, a metal substrate having a first surface facing a thermal conductive member and a second surface and attached to the thermal conductive member to form a space between a central portion of a second surface and the thermal conductive member, and an electron emitting member provided on a second surface of a metal substrate.
REFERENCES:
patent: 3440475 (1969-03-01), Schiller et al.
patent: 3497757 (1970-01-01), Zalm et al.
patent: 4298814 (1981-11-01), Takanashi et al.
patent: 4355259 (1982-10-01), Weiss
Peterson et al., "Indirectly Heated Cathode Construction", RCA Technical Notes, No. 173, Aug. 1958.
Higuchi Toshiharu
Nakayama Shouji
Takanashi Yukio
Yakabe Touru
DeLuca Vincent
Moore David K.
Tokyo Shibaura Denki Kabushiki Kaisha
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