CH314131A - Electron beam generating and focusing arrangement - Google Patents

Electron beam generating and focusing arrangement

Info

Publication number
CH314131A
CH314131A CH314131DA CH314131A CH 314131 A CH314131 A CH 314131A CH 314131D A CH314131D A CH 314131DA CH 314131 A CH314131 A CH 314131A
Authority
CH
Switzerland
Prior art keywords
electron beam
beam generating
focusing arrangement
focusing
arrangement
Prior art date
Application number
Other languages
German (de)
Inventor
Nat Veith Werner Dr Rer
Original Assignee
Siemens Ag
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 Siemens Ag filed Critical Siemens Ag
Publication of CH314131A publication Critical patent/CH314131A/en

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
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01JELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J21/00Vacuum tubes
    • H01J21/02Tubes with a single discharge path
    • H01J21/18Tubes with a single discharge path having magnetic control means; having both magnetic and electrostatic control means
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01JELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J23/00Details of transit-time tubes of the types covered by group H01J25/00
    • H01J23/02Electrodes; Magnetic control means; Screens
    • H01J23/08Focusing arrangements, e.g. for concentrating stream of electrons, for preventing spreading of stream
    • H01J23/083Electrostatic focusing arrangements
    • 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
    • H01J29/64Magnetic lenses
    • H01J29/66Magnetic lenses using electromagnetic means only
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01JELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J3/00Details of electron-optical or ion-optical arrangements or of ion traps common to two or more basic types of discharge tubes or lamps
    • H01J3/02Electron guns
    • H01J3/029Schematic arrangements for beam forming

Landscapes

  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
CH314131D 1952-04-15 1953-03-31 Electron beam generating and focusing arrangement CH314131A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE314131X 1952-04-15

Publications (1)

Publication Number Publication Date
CH314131A true CH314131A (en) 1956-05-31

Family

ID=6144337

Family Applications (1)

Application Number Title Priority Date Filing Date
CH314131D CH314131A (en) 1952-04-15 1953-03-31 Electron beam generating and focusing arrangement

Country Status (3)

Country Link
CH (1) CH314131A (en)
FR (1) FR1075900A (en)
NL (1) NL177539B (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1093920B (en) * 1957-02-15 1960-12-01 Standard Elektrik Lorenz Ag High compression electron beam generation system with combined electrostatic and magnetic focusing, especially for travel time tubes

Also Published As

Publication number Publication date
FR1075900A (en) 1954-10-20
NL177539B (en)

Similar Documents

Publication Publication Date Title
CH351679A (en) Electron beam focusing device
CH325278A (en) electron microscope
FR1099234A (en) Concentration of an electron beam
AT257183B (en) Electron beam generator
FR1072940A (en) secondary electron emitter
CH325279A (en) electron microscope
CH363727A (en) Electron beam generator
CH336507A (en) Double electron tube
CH310959A (en) Magnetic electron lens.
CH313673A (en) Device with deflection controlled electron beam
AT184490B (en) Sound generator
CH316013A (en) Magnetic electron lens
CH314131A (en) Electron beam generating and focusing arrangement
CH339297A (en) Stigmator
CH340912A (en) Electron tube
CH328884A (en) Corpuscular beam microscope
CH315730A (en) electron microscope
CH335756A (en) Precision electron beam oscilloscope
FR1094820A (en) Scalpel
CH318309A (en) Cathode
CH340915A (en) Electron tube
CH313250A (en) Multiple generator with electron beam system
CH349306A (en) High frequency generator
FR1078578A (en) Torch
AT185472B (en) cathode