BE530484A - - Google Patents

Info

Publication number
BE530484A
BE530484A BE530484DA BE530484A BE 530484 A BE530484 A BE 530484A BE 530484D A BE530484D A BE 530484DA BE 530484 A BE530484 A BE 530484A
Authority
BE
Belgium
Prior art keywords
cathode
grid
opening
anode
voltage
Prior art date
Application number
Other languages
English (en)
French (fr)
Publication of BE530484A publication Critical patent/BE530484A/fr

Links

Classifications

    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01JELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J29/00Details of cathode-ray tubes or of electron-beam tubes of the types covered by group H01J31/00
    • H01J29/46Arrangements of electrodes and associated parts for generating or controlling the ray or beam, e.g. electron-optical arrangement
    • H01J29/58Arrangements for focusing or reflecting ray or beam
    • H01J29/62Electrostatic lenses
    • H01J29/622Electrostatic lenses producing fields exhibiting symmetry of revolution
    • H01J29/624Electrostatic lenses producing fields exhibiting symmetry of revolution co-operating with or closely associated to an electron gun

Landscapes

  • Cathode-Ray Tubes And Fluorescent Screens For Display (AREA)
BE530484D BE530484A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
BE530484T

Publications (1)

Publication Number Publication Date
BE530484A true BE530484A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)

Family

ID=3871686

Family Applications (1)

Application Number Title Priority Date Filing Date
BE530484D BE530484A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)

Country Status (2)

Country Link
BE (1) BE530484A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
NL (1) NL179967B (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0152933A3 (en) * 1984-02-20 1985-09-25 Kabushiki Kaisha Toshiba Electron gun

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0152933A3 (en) * 1984-02-20 1985-09-25 Kabushiki Kaisha Toshiba Electron gun
US4712043A (en) * 1984-02-20 1987-12-08 Kabushiki Kaisha Toshiba Electron gun with large aperture auxiliary electrode

Also Published As

Publication number Publication date
NL179967B (nl)

Similar Documents

Publication Publication Date Title
JP5965656B2 (ja) コントラストを向上させる素子を具備するtemにおける光学素子をセンタリングするための方法
BE530484A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
JPH09506467A (ja) 針及び隔膜のような抽出電極を有する電子源を具えている粒子−光学装置
FR2685811A1 (fr) Systeme permettant de maitriser la forme d'un faisceau de particules chargees.
CN108806817A (zh) 一种用于离子囚禁的一体化刀片阱装置
FR2644930A1 (fr) Lentille electromagnetique composite a focale variable
Oh et al. Inspection of open defects in a thin film transistor-liquid crystal display panel by using a low-energy electron microcolumn
RU2663498C1 (ru) Электронно-оптический преобразователь
JP4759733B2 (ja) 電子顕微鏡
EP0925599B1 (fr) Filtre d'energie, microscope electronique a transmission et procede de filtrage d'energie associe
BE531510A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
JPH06302503A (ja) 電子線応用装置
FR2522440A1 (fr) Canon a electrons
FR2461352A1 (fr) Dispositif muni d'un tube de camera de television et tube de camera de television destine a un tel dispositif
BE432129A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
BE430590A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
BE429577A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
BE526529A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
BE393718A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
Ryan et al. An all-metal field ion microscope
BE416357A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
BE458355A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
BE535057A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
BE416257A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
JPH0417247A (ja) 電界電離型イオン源