JPS52107761A - Thermally electron emitting cathode - Google Patents

Thermally electron emitting cathode

Info

Publication number
JPS52107761A
JPS52107761A JP1522476A JP1522476A JPS52107761A JP S52107761 A JPS52107761 A JP S52107761A JP 1522476 A JP1522476 A JP 1522476A JP 1522476 A JP1522476 A JP 1522476A JP S52107761 A JPS52107761 A JP S52107761A
Authority
JP
Japan
Prior art keywords
thermally
electron emitting
emitting cathode
cathode
electron
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
JP1522476A
Other languages
Japanese (ja)
Other versions
JPS5911172B2 (en
Inventor
Hideo Hiraoka
Shiyuuzou Watanabe
Masaji Ishii
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Denka Co Ltd
Original Assignee
Denki Kagaku Kogyo KK
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Denki Kagaku Kogyo KK filed Critical Denki Kagaku Kogyo KK
Priority to JP51015224A priority Critical patent/JPS5911172B2/en
Publication of JPS52107761A publication Critical patent/JPS52107761A/en
Publication of JPS5911172B2 publication Critical patent/JPS5911172B2/en
Expired legal-status Critical Current

Links

Landscapes

  • Solid Thermionic Cathode (AREA)
JP51015224A 1976-02-14 1976-02-14 thermionic emission cathode Expired JPS5911172B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP51015224A JPS5911172B2 (en) 1976-02-14 1976-02-14 thermionic emission cathode

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP51015224A JPS5911172B2 (en) 1976-02-14 1976-02-14 thermionic emission cathode

Publications (2)

Publication Number Publication Date
JPS52107761A true JPS52107761A (en) 1977-09-09
JPS5911172B2 JPS5911172B2 (en) 1984-03-14

Family

ID=11882883

Family Applications (1)

Application Number Title Priority Date Filing Date
JP51015224A Expired JPS5911172B2 (en) 1976-02-14 1976-02-14 thermionic emission cathode

Country Status (1)

Country Link
JP (1) JPS5911172B2 (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5451460A (en) * 1977-09-30 1979-04-23 Denki Kagaku Kogyo Kk Method of producing lanthanum hexaboride hottcathode
JP2009106430A (en) * 2007-10-29 2009-05-21 Manabu Kaseyama Holder for preventing thread loosening in bobbin for sewing machine

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5451460A (en) * 1977-09-30 1979-04-23 Denki Kagaku Kogyo Kk Method of producing lanthanum hexaboride hottcathode
JPS5826766B2 (en) * 1977-09-30 1983-06-04 電気化学工業株式会社 Hot cathode and its manufacturing method
JP2009106430A (en) * 2007-10-29 2009-05-21 Manabu Kaseyama Holder for preventing thread loosening in bobbin for sewing machine

Also Published As

Publication number Publication date
JPS5911172B2 (en) 1984-03-14

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