DE7821817U1 - - Google Patents

Info

Publication number
DE7821817U1
DE7821817U1 DE19787821817 DE7821817U DE7821817U1 DE 7821817 U1 DE7821817 U1 DE 7821817U1 DE 19787821817 DE19787821817 DE 19787821817 DE 7821817 U DE7821817 U DE 7821817U DE 7821817 U1 DE7821817 U1 DE 7821817U1
Authority
DE
Germany
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.)
Expired
Application number
DE19787821817
Other languages
German (de)
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.)
Balzers Hochvakuum 6200 Wiesbaden De GmbH
Original Assignee
Balzers Hochvakuum 6200 Wiesbaden De GmbH
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 6200 Wiesbaden De GmbH filed Critical Balzers Hochvakuum 6200 Wiesbaden De GmbH
Publication of DE7821817U1 publication Critical patent/DE7821817U1/de
Expired legal-status Critical Current

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
DE19787821817 1977-09-02 1978-07-21 Expired DE7821817U1 (zh)

Applications Claiming Priority (1)

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

Publications (1)

Publication Number Publication Date
DE7821817U1 true DE7821817U1 (zh) 1987-06-04

Family

ID=4365548

Family Applications (2)

Application Number Title Priority Date Filing Date
DE19782832027 Granted DE2832027B2 (de) 1977-09-02 1978-07-21 Kathode für Elektronenemission
DE19787821817 Expired DE7821817U1 (zh) 1977-09-02 1978-07-21

Family Applications Before (1)

Application Number Title Priority Date Filing Date
DE19782832027 Granted DE2832027B2 (de) 1977-09-02 1978-07-21 Kathode für Elektronenemission

Country Status (5)

Country Link
CH (1) CH617793A5 (zh)
DE (2) DE2832027B2 (zh)
FR (1) FR2402297A1 (zh)
GB (1) GB2003655B (zh)
NL (1) NL7808183A (zh)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110235217A (zh) * 2017-02-28 2019-09-13 株式会社日立高新技术 电子源和使用它的电子束装置

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
JPS57196443A (en) * 1981-05-29 1982-12-02 Denki Kagaku Kogyo Kk Manufacture of hot cathode
CH672860A5 (zh) * 1986-09-29 1989-12-29 Balzers Hochvakuum

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 (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110235217A (zh) * 2017-02-28 2019-09-13 株式会社日立高新技术 电子源和使用它的电子束装置
CN110235217B (zh) * 2017-02-28 2021-05-11 株式会社日立高新技术 电子源和使用它的电子束装置

Also Published As

Publication number Publication date
DE2832027A1 (de) 1979-03-15
FR2402297A1 (fr) 1979-03-30
NL7808183A (nl) 1979-03-06
DE2832027C3 (zh) 1987-05-07
FR2402297B1 (zh) 1984-02-10
GB2003655A (en) 1979-03-14
DE2832027B2 (de) 1981-07-09
GB2003655B (en) 1982-05-26
CH617793A5 (zh) 1980-06-13

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