CH617793A5 - - Google Patents

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Publication number
CH617793A5
CH617793A5 CH1066577A CH1066577A CH617793A5 CH 617793 A5 CH617793 A5 CH 617793A5 CH 1066577 A CH1066577 A CH 1066577A CH 1066577 A CH1066577 A CH 1066577A CH 617793 A5 CH617793 A5 CH 617793A5
Authority
CH
Switzerland
Prior art keywords
emitter
cathode according
auxiliary body
emitter body
labe
Prior art date
Application number
CH1066577A
Other languages
German (de)
English (en)
Inventor
Wilhelm Dr Bruenger
Gottfried Prof Dr Moellenstedt
Original Assignee
Balzers Hochvakuum
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 Balzers Hochvakuum filed Critical Balzers Hochvakuum
Priority to CH1066577A priority Critical patent/CH617793A5/de
Priority to DE19787821817 priority patent/DE7821817U1/de
Priority to DE19782832027 priority patent/DE2832027C3/de
Priority to GB7831971A priority patent/GB2003655B/en
Priority to NL7808183A priority patent/NL7808183A/xx
Priority to FR7825256A priority patent/FR2402297A1/fr
Publication of CH617793A5 publication Critical patent/CH617793A5/de

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J1/00—Details of electrodes, of magnetic control means, of screens, or of the mounting or spacing thereof, common to two or more basic types of discharge tubes or lamps
    • H01J1/02—Main electrodes
    • H01J1/13—Solid thermionic cathodes
    • H01J1/14—Solid thermionic cathodes characterised by the material
    • H01J1/148—Solid thermionic cathodes characterised by the material with compounds having metallic conductive properties, e.g. lanthanum boride, as an emissive material
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J1/00—Details of electrodes, of magnetic control means, of screens, or of the mounting or spacing thereof, common to two or more basic types of discharge tubes or lamps
    • H01J1/02—Main electrodes
    • H01J1/13—Solid thermionic cathodes
    • H01J1/15—Cathodes heated directly by an electric current

Landscapes

  • Solid Thermionic Cathode (AREA)
  • Electron Sources, Ion Sources (AREA)
CH1066577A 1977-09-02 1977-09-02 CH617793A5 (ja)

Priority Applications (6)

Application Number Priority Date Filing Date Title
CH1066577A CH617793A5 (ja) 1977-09-02 1977-09-02
DE19787821817 DE7821817U1 (de) 1977-09-02 1978-07-21 Kathode für Elektronenemission
DE19782832027 DE2832027C3 (de) 1977-09-02 1978-07-21 Kathode für Elektronenemission
GB7831971A GB2003655B (en) 1977-09-02 1978-08-02 Cathode for electron emission
NL7808183A NL7808183A (nl) 1977-09-02 1978-08-03 Kathode voor elektronenemissie.
FR7825256A FR2402297A1 (fr) 1977-09-02 1978-09-01 Cathode a emission electronique

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH1066577A CH617793A5 (ja) 1977-09-02 1977-09-02

Publications (1)

Publication Number Publication Date
CH617793A5 true CH617793A5 (ja) 1980-06-13

Family

ID=4365548

Family Applications (1)

Application Number Title Priority Date Filing Date
CH1066577A CH617793A5 (ja) 1977-09-02 1977-09-02

Country Status (5)

Country Link
CH (1) CH617793A5 (ja)
DE (2) DE7821817U1 (ja)
FR (1) FR2402297A1 (ja)
GB (1) GB2003655B (ja)
NL (1) NL7808183A (ja)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3203917A1 (de) * 1981-05-29 1982-12-16 Denki Kagaku Kogyo K.K., Tokyo Thermionische emissionskathode und verfahren zur herstellung derselben

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6023456B2 (ja) * 1978-11-01 1985-06-07 電気化学工業株式会社 熱電子陰極装置
FR2445605A1 (fr) * 1978-12-27 1980-07-25 Thomson Csf Cathode a chauffage direct et tube electronique haute frequence comportant une telle cathode
DE3120454A1 (de) * 1981-05-22 1982-12-09 geb. Vlasova Margarita Sergeevna Moskva Čupina Feldemissionskatode
CH672860A5 (ja) * 1986-09-29 1989-12-29 Balzers Hochvakuum
JP6636472B2 (ja) * 2017-02-28 2020-01-29 株式会社日立ハイテクノロジーズ 電子源およびそれを用いた電子線装置

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1061633A (fr) * 1951-03-28 1954-04-14 Thomson Houston Comp Francaise Substances à pouvoir émissif élevé
GB1045396A (en) * 1965-07-23 1966-10-12 Standard Telephones Cables Ltd Thermionic cathodes
GB1210007A (en) * 1968-07-05 1970-10-28 Mullard Ltd Cathode
US3532923A (en) * 1969-03-17 1970-10-06 Ibm Pyrolytic graphite support for lanthanum hexaboride cathode emitter
US3803677A (en) * 1972-04-28 1974-04-16 Air Liquide Method for making cathodes for electron guns
JPS607335B2 (ja) * 1974-11-29 1985-02-23 カナデイアン、パテンツ、アンド、デイベラツプメント、リミテツド 熱電子放射陰極
JPS53128971A (en) * 1977-04-18 1978-11-10 Hitachi Ltd Manufacture of electron radiation cathode

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3203917A1 (de) * 1981-05-29 1982-12-16 Denki Kagaku Kogyo K.K., Tokyo Thermionische emissionskathode und verfahren zur herstellung derselben

Also Published As

Publication number Publication date
NL7808183A (nl) 1979-03-06
GB2003655A (en) 1979-03-14
DE2832027A1 (de) 1979-03-15
FR2402297B1 (ja) 1984-02-10
DE7821817U1 (de) 1987-06-04
FR2402297A1 (fr) 1979-03-30
GB2003655B (en) 1982-05-26
DE2832027C3 (de) 1987-05-07
DE2832027B2 (de) 1981-07-09

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Legal Events

Date Code Title Description
PL Patent ceased