CH349005A - Device for producing an electron beam with parallel edges - Google Patents

Device for producing an electron beam with parallel edges

Info

Publication number
CH349005A
CH349005A CH349005DA CH349005A CH 349005 A CH349005 A CH 349005A CH 349005D A CH349005D A CH 349005DA CH 349005 A CH349005 A CH 349005A
Authority
CH
Switzerland
Prior art keywords
producing
electron beam
parallel edges
edges
parallel
Prior art date
Application number
Other languages
French (fr)
Inventor
Rostas Ernest
Original Assignee
Thomson Houston Comp Francaise
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 Thomson Houston Comp Francaise filed Critical Thomson Houston Comp Francaise
Publication of CH349005A publication Critical patent/CH349005A/en

Links

Classifications

    • 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
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J23/00—Details of transit-time tubes of the types covered by group H01J25/00
    • H01J23/02—Electrodes; Magnetic control means; Screens
    • H01J23/06—Electron or ion guns
    • H01J23/065—Electron or ion guns producing a solid cylindrical beam
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J23/00—Details of transit-time tubes of the types covered by group H01J25/00
    • H01J23/02—Electrodes; Magnetic control means; Screens
    • H01J23/08—Focusing arrangements, e.g. for concentrating stream of electrons, for preventing spreading of stream
    • H01J23/087—Magnetic focusing arrangements
    • 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
    • H01J3/029—Schematic arrangements for beam forming
CH349005D 1957-02-13 1958-02-13 Device for producing an electron beam with parallel edges CH349005A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR1124609X 1957-02-13

Publications (1)

Publication Number Publication Date
CH349005A true CH349005A (en) 1960-09-30

Family

ID=9633986

Family Applications (1)

Application Number Title Priority Date Filing Date
CH349005D CH349005A (en) 1957-02-13 1958-02-13 Device for producing an electron beam with parallel edges

Country Status (6)

Country Link
BE (1) BE564301A (en)
CH (1) CH349005A (en)
DE (1) DE1124609B (en)
FR (1) FR1168582A (en)
GB (1) GB855373A (en)
NL (1) NL103339C (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB9220226D0 (en) * 1992-09-24 1992-11-04 Eev Ltd Electron gun assemblies
US10672583B1 (en) * 2019-04-05 2020-06-02 L3 Electron Devices, Ind. Sheet beam electron gun using axially-symmetric spherical cathode

Also Published As

Publication number Publication date
NL103339C (en) 1900-01-01
GB855373A (en) 1960-11-30
FR1168582A (en) 1958-12-10
BE564301A (en) 1900-01-01
DE1124609B (en) 1962-03-01

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