CH282861A - Einrichtung zur Erzeugung eines Elektronenstrahls. - Google Patents

Einrichtung zur Erzeugung eines Elektronenstrahls.

Info

Publication number
CH282861A
CH282861A CH282861DA CH282861A CH 282861 A CH282861 A CH 282861A CH 282861D A CH282861D A CH 282861DA CH 282861 A CH282861 A CH 282861A
Authority
CH
Switzerland
Prior art keywords
emitting
cathode
dependent
hollow
axis
Prior art date
Application number
Other languages
German (de)
English (en)
Inventor
Heil Oskar
Original Assignee
Heil Oskar
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 Heil Oskar filed Critical Heil Oskar
Publication of CH282861A publication Critical patent/CH282861A/de

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J21/00—Vacuum tubes
    • H01J21/02—Tubes with a single discharge path
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J21/00—Vacuum tubes
    • H01J21/02—Tubes with a single discharge path
    • H01J21/06—Tubes with a single discharge path having electrostatic control means only
    • H01J21/10—Tubes with a single discharge path having electrostatic control means only with one or more immovable internal control electrodes, e.g. triode, pentode, octode
    • H01J21/14—Tubes with means for concentrating the electron stream, e.g. beam tetrode
    • 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
    • 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
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J2893/00—Discharge tubes and lamps
    • H01J2893/0029—Electron beam tubes

Landscapes

  • Electron Sources, Ion Sources (AREA)
CH282861D 1949-02-03 1950-01-20 Einrichtung zur Erzeugung eines Elektronenstrahls. CH282861A (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US74283A US2518472A (en) 1949-02-03 1949-02-03 Electron gun

Publications (1)

Publication Number Publication Date
CH282861A true CH282861A (de) 1952-05-15

Family

ID=22118748

Family Applications (1)

Application Number Title Priority Date Filing Date
CH282861D CH282861A (de) 1949-02-03 1950-01-20 Einrichtung zur Erzeugung eines Elektronenstrahls.

Country Status (6)

Country Link
US (1) US2518472A (sv)
AT (1) AT172298B (sv)
CH (1) CH282861A (sv)
DE (1) DE831856C (sv)
FR (1) FR1009449A (sv)
NL (1) NL85535C (sv)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE975107C (de) * 1953-05-15 1961-08-17 Telefunken Patent Elektrostatische Linse mit rotationssymmetrischen Elektroden, insbesondere fuer Kathodenstrahlroehren

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE977183C (de) * 1953-05-01 1965-05-20 Telefunken Patent Elektrostatisch stark buendelndes Elektronenstrahlerzeugungssystem
US3139552A (en) * 1960-03-07 1964-06-30 Hughes Aircraft Co Charged particle gun with nonspherical emissive surface
US3192425A (en) * 1961-03-06 1965-06-29 Zenith Radio Corp X-ray tube with adjustable electron beam cross-section
US3916202A (en) * 1974-05-03 1975-10-28 Gen Electric Lens-grid system for electron tubes

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1979392A (en) * 1931-05-04 1934-11-06 Siemens Ag Cathode ray tube
US2079163A (en) * 1932-05-31 1937-05-04 Farnsworth Television Inc Electron gun
NL39573C (sv) * 1932-10-21
US2146365A (en) * 1934-12-13 1939-02-07 John C Batchelor Electron emitter
US2174853A (en) * 1937-08-26 1939-10-03 Hygrade Sylvania Corp Electron gun structure and method of assembly thereof
US2284389A (en) * 1940-08-31 1942-05-26 Gen Electric Rectifying system
US2303166A (en) * 1941-01-21 1942-11-24 Bell Telephone Labor Inc Electron discharge device
US2308800A (en) * 1941-02-15 1943-01-19 Bell Telephone Labor Inc Electron discharge device

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE975107C (de) * 1953-05-15 1961-08-17 Telefunken Patent Elektrostatische Linse mit rotationssymmetrischen Elektroden, insbesondere fuer Kathodenstrahlroehren

Also Published As

Publication number Publication date
NL85535C (sv) 1957-07-15
FR1009449A (fr) 1952-05-29
DE831856C (de) 1952-02-18
US2518472A (en) 1950-08-15
AT172298B (de) 1952-08-25

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