FR845262A - Lentille électronique magnétique - Google Patents

Lentille électronique magnétique

Info

Publication number
FR845262A
FR845262A FR845262DA FR845262A FR 845262 A FR845262 A FR 845262A FR 845262D A FR845262D A FR 845262DA FR 845262 A FR845262 A FR 845262A
Authority
FR
France
Prior art keywords
electronic lens
magnetic electronic
magnetic
lens
electronic
Prior art date
Legal status (The legal status 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 status listed.)
Expired
Application number
Other languages
English (en)
French (fr)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
AEG AG
Original Assignee
Allgemeine Elektricitaets Gesellschaft
AEG 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 Allgemeine Elektricitaets Gesellschaft, AEG AG filed Critical Allgemeine Elektricitaets Gesellschaft
Application granted granted Critical
Publication of FR845262A publication Critical patent/FR845262A/fr
Expired legal-status Critical Current

Links

Classifications

    • 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
    • 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
    • H01J29/66—Magnetic lenses using electromagnetic means only
    • 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
    • H01J29/68—Magnetic lenses using permanent magnets only
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J31/00—Cathode ray tubes; Electron beam tubes
    • H01J31/08—Cathode ray tubes; Electron beam tubes having a screen on or from which an image or pattern is formed, picked up, converted, or stored
    • H01J31/50—Image-conversion or image-amplification tubes, i.e. having optical, X-ray, or analogous input, and optical output
    • H01J31/503—Image-conversion or image-amplification tubes, i.e. having optical, X-ray, or analogous input, and optical output with an electromagnetic electron-optic system
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J31/00—Cathode ray tubes; Electron beam tubes
    • H01J31/08—Cathode ray tubes; Electron beam tubes having a screen on or from which an image or pattern is formed, picked up, converted, or stored
    • H01J31/50—Image-conversion or image-amplification tubes, i.e. having optical, X-ray, or analogous input, and optical output
    • H01J31/52—Image-conversion or image-amplification tubes, i.e. having optical, X-ray, or analogous input, and optical output having grid-like image screen through which the electron ray or beam passes and by which the ray or beam is influenced before striking the luminescent output screen, i.e. having "triode action"

Landscapes

  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Electron Beam Exposure (AREA)
FR845262D 1937-05-29 1938-10-27 Lentille électronique magnétique Expired FR845262A (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE1937A0083125 DE688644C (de) 1937-05-29 1937-05-29 r koaxialen Teillinsen besteht
DEA84664D DE705829C (de) 1937-05-29 1937-10-29 Magnetische Elektronenlinse, die aus zwei oder mehr Koaxialen Teillinsen besteht

Publications (1)

Publication Number Publication Date
FR845262A true FR845262A (fr) 1939-08-17

Family

ID=42013789

Family Applications (1)

Application Number Title Priority Date Filing Date
FR845262D Expired FR845262A (fr) 1937-05-29 1938-10-27 Lentille électronique magnétique

Country Status (2)

Country Link
DE (2) DE688644C (de)
FR (1) FR845262A (de)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE758548C (de) * 1939-02-10 1953-05-26 Telefunken Gmbh Magnetische Elektronenlinse ohne Bilddrehung
GB670021A (en) * 1949-02-18 1952-04-09 Patrick Richard James Court Improvements in beam centering devices for cathode ray tubes
BE516722A (de) * 1952-01-04
DE972956C (de) * 1953-10-17 1959-11-05 Forschungslaboratorium Prof Dr Elektronenoptische Einrichtung fuer Fernsehbildabtastroehren

Also Published As

Publication number Publication date
DE705829C (de) 1941-05-10
DE688644C (de) 1940-02-27

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