JPS5451473A - Thermionic emission cathode - Google Patents

Thermionic emission cathode

Info

Publication number
JPS5451473A
JPS5451473A JP11687777A JP11687777A JPS5451473A JP S5451473 A JPS5451473 A JP S5451473A JP 11687777 A JP11687777 A JP 11687777A JP 11687777 A JP11687777 A JP 11687777A JP S5451473 A JPS5451473 A JP S5451473A
Authority
JP
Japan
Prior art keywords
emission cathode
thermionic emission
thermionic
cathode
emission
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
JP11687777A
Other languages
Japanese (ja)
Other versions
JPS5812695B2 (en
Inventor
Tetsuya Wada
Riyuuichi Terasaki
Hideo Hiraoka
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 JP52116877A priority Critical patent/JPS5812695B2/en
Publication of JPS5451473A publication Critical patent/JPS5451473A/en
Publication of JPS5812695B2 publication Critical patent/JPS5812695B2/en
Expired legal-status Critical Current

Links

Landscapes

  • Solid Thermionic Cathode (AREA)
JP52116877A 1977-09-30 1977-09-30 Manufacturing method of thermionic emission cathode Expired JPS5812695B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP52116877A JPS5812695B2 (en) 1977-09-30 1977-09-30 Manufacturing method of thermionic emission cathode

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP52116877A JPS5812695B2 (en) 1977-09-30 1977-09-30 Manufacturing method of thermionic emission cathode

Publications (2)

Publication Number Publication Date
JPS5451473A true JPS5451473A (en) 1979-04-23
JPS5812695B2 JPS5812695B2 (en) 1983-03-09

Family

ID=14697837

Family Applications (1)

Application Number Title Priority Date Filing Date
JP52116877A Expired JPS5812695B2 (en) 1977-09-30 1977-09-30 Manufacturing method of thermionic emission cathode

Country Status (1)

Country Link
JP (1) JPS5812695B2 (en)

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4468586A (en) * 1981-05-26 1984-08-28 International Business Machines Corporation Shaped electron emission from single crystal lanthanum hexaboride with intensity distribution
US4482838A (en) * 1980-12-09 1984-11-13 Denki Kagaku Kogyo Kabushiki Kaisha Thermionic emission cathode
US4486684A (en) * 1981-05-26 1984-12-04 International Business Machines Corporation Single crystal lanthanum hexaboride electron beam emitter having high brightness
US5608283A (en) * 1994-06-29 1997-03-04 Candescent Technologies Corporation Electron-emitting devices utilizing electron-emissive particles which typically contain carbon
CN111825463A (en) * 2020-06-29 2020-10-27 井冈山大学 A kind of LaB6-CrB2 composite cathode material and preparation method thereof
WO2022039042A1 (en) * 2020-08-17 2022-02-24 デンカ株式会社 Emitter and device provided with same

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5231650A (en) * 1975-09-04 1977-03-10 Natl Inst For Res In Inorg Mater Thermion radiation cathode
JPS5231651A (en) * 1975-09-04 1977-03-10 Natl Inst For Res In Inorg Mater Scan-type electron microscope
JPS5267563A (en) * 1975-12-02 1977-06-04 Denki Kagaku Kogyo Kk Method of fabricating thermally

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5231650A (en) * 1975-09-04 1977-03-10 Natl Inst For Res In Inorg Mater Thermion radiation cathode
JPS5231651A (en) * 1975-09-04 1977-03-10 Natl Inst For Res In Inorg Mater Scan-type electron microscope
JPS5267563A (en) * 1975-12-02 1977-06-04 Denki Kagaku Kogyo Kk Method of fabricating thermally

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4482838A (en) * 1980-12-09 1984-11-13 Denki Kagaku Kogyo Kabushiki Kaisha Thermionic emission cathode
US4468586A (en) * 1981-05-26 1984-08-28 International Business Machines Corporation Shaped electron emission from single crystal lanthanum hexaboride with intensity distribution
US4486684A (en) * 1981-05-26 1984-12-04 International Business Machines Corporation Single crystal lanthanum hexaboride electron beam emitter having high brightness
US5608283A (en) * 1994-06-29 1997-03-04 Candescent Technologies Corporation Electron-emitting devices utilizing electron-emissive particles which typically contain carbon
US5900301A (en) * 1994-06-29 1999-05-04 Candescent Technologies Corporation Structure and fabrication of electron-emitting devices utilizing electron-emissive particles which typically contain carbon
CN111825463A (en) * 2020-06-29 2020-10-27 井冈山大学 A kind of LaB6-CrB2 composite cathode material and preparation method thereof
WO2022039042A1 (en) * 2020-08-17 2022-02-24 デンカ株式会社 Emitter and device provided with same
JPWO2022039042A1 (en) * 2020-08-17 2022-02-24

Also Published As

Publication number Publication date
JPS5812695B2 (en) 1983-03-09

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