NL7614122A - Electronenkanon. - Google Patents

Electronenkanon.

Info

Publication number
NL7614122A
NL7614122A NL7614122A NL7614122A NL7614122A NL 7614122 A NL7614122 A NL 7614122A NL 7614122 A NL7614122 A NL 7614122A NL 7614122 A NL7614122 A NL 7614122A NL 7614122 A NL7614122 A NL 7614122A
Authority
NL
Netherlands
Prior art keywords
electron gun
gun
electron
Prior art date
Application number
NL7614122A
Other languages
English (en)
Original Assignee
Jeol Ltd
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 Jeol Ltd filed Critical Jeol Ltd
Publication of NL7614122A publication Critical patent/NL7614122A/nl

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
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J29/00—Details of cathode-ray tubes or of electron-beam tubes of the types covered by group H01J31/00
    • H01J29/02—Electrodes; Screens; Mounting, supporting, spacing or insulating thereof
    • H01J29/04—Cathodes
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J29/00—Details of cathode-ray tubes or of electron-beam tubes of the types covered by group H01J31/00
    • H01J29/46—Arrangements of electrodes and associated parts for generating or controlling the ray or beam, e.g. electron-optical arrangement
    • H01J29/48—Electron guns
    • H01J29/484—Eliminating deleterious effects due to thermal effects, electrical or magnetic fields; Preventing unwanted emission
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J3/00—Details of electron-optical or ion-optical arrangements or of ion traps common to two or more basic types of discharge tubes or lamps
    • H01J3/02—Electron guns
    • H01J3/026—Eliminating deleterious effects due to thermal effects, electric or magnetic field
NL7614122A 1975-12-24 1976-12-20 Electronenkanon. NL7614122A (nl)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP15435575A JPS5277661A (en) 1975-12-24 1975-12-24 Electron gun

Publications (1)

Publication Number Publication Date
NL7614122A true NL7614122A (nl) 1977-06-28

Family

ID=15582334

Family Applications (1)

Application Number Title Priority Date Filing Date
NL7614122A NL7614122A (nl) 1975-12-24 1976-12-20 Electronenkanon.

Country Status (6)

Country Link
US (1) US4068145A (nl)
JP (1) JPS5277661A (nl)
DE (1) DE2658316C3 (nl)
FR (1) FR2336787A1 (nl)
GB (1) GB1572249A (nl)
NL (1) NL7614122A (nl)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0010128A1 (de) * 1978-08-31 1980-04-30 Siemens Aktiengesellschaft Direkt geheizte Kathode für eine Elektronenröhre mit koaxialem Elektrodenaufbau und Verfahren zum Herstellen einer derartigen Kathode

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2418964A1 (fr) * 1978-03-01 1979-09-28 Commissariat Energie Atomique Cathode pour canon electronique
US4258283A (en) * 1978-08-31 1981-03-24 Balzers Aktiengesellschaft Fur Hochvakuumtechnik Und Dunne Schichten Cathode for electron emission
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
JPS5598435A (en) * 1979-01-23 1980-07-26 Denki Kagaku Kogyo Kk Hot cathode
US4288717A (en) * 1979-11-06 1981-09-08 Denki Kagaku Kogyo Kabushiki Kaisha Thermionic cathode apparatus
JPS57128433A (en) * 1980-12-27 1982-08-10 Denki Kagaku Kogyo Kk High luminance electron gun
US4661741A (en) * 1985-06-28 1987-04-28 Control Data Corporation Miniature electron gun with focusing grid structure
GB2196786A (en) * 1986-10-27 1988-05-05 Ceradyne Inc Cathode assembly
NL8800539A (nl) * 1988-03-03 1989-10-02 Philips Nv Elektronen bundel apparaat.
GB9405139D0 (en) * 1994-03-16 1994-05-18 Eev Ltd Electron gun arrangements
FR2726121B1 (fr) * 1994-10-21 1996-11-15 Thomson Tubes Electroniques Dispositif de chauffage par rayonnement pour cathode a chauffage indirect
DE10012203C1 (de) * 2000-03-13 2001-07-26 Siemens Ag Thermionischer Flachemitter
DE10245392B3 (de) * 2002-09-28 2004-01-08 Vtd Vakuumtechnik Dresden Gmbh Rohrförmige Hohlkathode für hohe elektrische Leistungen
EP1705684A1 (en) * 2005-03-22 2006-09-27 ICT Integrated Circuit Testing Gesellschaft für Halbleiterprüftechnik mbH Stabilized emitter and method for stabilizing same

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1163530A (en) * 1965-12-14 1969-09-10 Steigerwald Strahltech Electron beam generating apparatus
US3532923A (en) * 1969-03-17 1970-10-06 Ibm Pyrolytic graphite support for lanthanum hexaboride cathode emitter

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0010128A1 (de) * 1978-08-31 1980-04-30 Siemens Aktiengesellschaft Direkt geheizte Kathode für eine Elektronenröhre mit koaxialem Elektrodenaufbau und Verfahren zum Herstellen einer derartigen Kathode

Also Published As

Publication number Publication date
US4068145A (en) 1978-01-10
DE2658316B2 (de) 1981-05-21
GB1572249A (en) 1980-07-30
DE2658316C3 (de) 1982-01-21
JPS5277661A (en) 1977-06-30
FR2336787A1 (fr) 1977-07-22
FR2336787B1 (nl) 1980-11-07
DE2658316A1 (de) 1977-07-07
JPS5636530B2 (nl) 1981-08-25

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Legal Events

Date Code Title Description
BV The patent application has lapsed