CH219503A - Electric discharge tube with a directed electron beam. - Google Patents

Electric discharge tube with a directed electron beam.

Info

Publication number
CH219503A
CH219503A CH219503DA CH219503A CH 219503 A CH219503 A CH 219503A CH 219503D A CH219503D A CH 219503DA CH 219503 A CH219503 A CH 219503A
Authority
CH
Switzerland
Prior art keywords
electron beam
discharge tube
electric discharge
directed electron
directed
Prior art date
Application number
Other languages
German (de)
Inventor
Gloeilampenfabrieken N Philips
Original Assignee
Philips Nv
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 Philips Nv filed Critical Philips Nv
Publication of CH219503A publication Critical patent/CH219503A/en

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J25/00—Transit-time tubes, e.g. klystrons, travelling-wave tubes, magnetrons
    • H01J25/02—Tubes with electron stream modulated in velocity or density in a modulator zone and thereafter giving up energy in an inducing zone, the zones being associated with one or more resonators
    • H01J25/32—Tubes with plural reflection, e.g. Coeterier tube
    • 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
    • H01J29/58—Arrangements for focusing or reflecting ray or beam
    • 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
    • H01J29/58—Arrangements for focusing or reflecting ray or beam
    • H01J29/64—Magnetic lenses
    • 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
CH219503D 1940-07-03 1941-07-02 Electric discharge tube with a directed electron beam. CH219503A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL219503X 1940-07-03

Publications (1)

Publication Number Publication Date
CH219503A true CH219503A (en) 1942-02-15

Family

ID=19779267

Family Applications (1)

Application Number Title Priority Date Filing Date
CH219503D CH219503A (en) 1940-07-03 1941-07-02 Electric discharge tube with a directed electron beam.

Country Status (8)

Country Link
US (1) US2347990A (en)
BE (1) BE442068A (en)
CH (1) CH219503A (en)
DE (1) DE862039C (en)
FR (1) FR874922A (en)
GB (2) GB554828A (en)
NL (1) NL60887C (en)
SE (1) SE106343C1 (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE961735C (en) * 1953-03-19 1957-04-11 Fernseh Gmbh Method for centering the electron beam, especially for television picture tubes, with a permanent magnet surrounding the beam axis in a ring shape and arrangement for carrying out the method
DE1144405B (en) * 1930-07-02 1963-02-28 Philips Nv Electron beam tubes with magnetic focusing means outside and inside the vacuum space, in particular klystron or traveling wave tubes
EP0013003A1 (en) * 1978-12-27 1980-07-09 Forschungszentrum Jülich Gmbh Electron beam investigation process and electron impact spectrometer therefor

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL158486B (en) * 1951-01-11 Pfizer PROCESS FOR THE PREPARATION OF PETROL-SUBSTITUTED PHENYLCARBAMATES AND FOR THE PREPARATION OF INSECTICIDE PREPARATIONS CONTAINING THEY.
US2619607A (en) * 1951-03-10 1952-11-25 Glaser Steers Corp Internal focusing device
US2748307A (en) * 1952-03-06 1956-05-29 Gen Electric Magnetically forcused electron discharge device
DE1059565B (en) * 1955-01-15 1959-06-18 Sebel S A Electronic lamp for lighting purposes
NL214772A (en) * 1956-02-24
NL278366A (en) * 1961-05-27
NL282676A (en) * 1961-08-31
US3217200A (en) * 1962-01-23 1965-11-09 Gen Electric Internal magnetic lens for electron beams
FR2641899A1 (en) * 1989-01-17 1990-07-20 Thomson Tubes Electroniques ELECTRON GUN WITH AN ACTIVE DEVICE PRODUCING A MAGNETIC FIELD IN THE VICINITY OF THE CATHODE

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1144405B (en) * 1930-07-02 1963-02-28 Philips Nv Electron beam tubes with magnetic focusing means outside and inside the vacuum space, in particular klystron or traveling wave tubes
DE961735C (en) * 1953-03-19 1957-04-11 Fernseh Gmbh Method for centering the electron beam, especially for television picture tubes, with a permanent magnet surrounding the beam axis in a ring shape and arrangement for carrying out the method
EP0013003A1 (en) * 1978-12-27 1980-07-09 Forschungszentrum Jülich Gmbh Electron beam investigation process and electron impact spectrometer therefor

Also Published As

Publication number Publication date
DE862039C (en) 1953-01-08
SE106343C1 (en) 1943-01-19
US2347990A (en) 1944-05-02
BE442068A (en)
GB554828A (en) 1943-07-21
NL60887C (en)
FR874922A (en) 1942-08-31
GB603939A (en) 1948-06-25

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