FR1350316A - Device for focusing and guiding electrons in an electron beam tube - Google Patents

Device for focusing and guiding electrons in an electron beam tube

Info

Publication number
FR1350316A
FR1350316A FR927244A FR927244A FR1350316A FR 1350316 A FR1350316 A FR 1350316A FR 927244 A FR927244 A FR 927244A FR 927244 A FR927244 A FR 927244A FR 1350316 A FR1350316 A FR 1350316A
Authority
FR
France
Prior art keywords
focusing
electron beam
beam tube
guiding electrons
electrons
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
FR927244A
Other languages
French (fr)
Inventor
Jork Bretting
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.)
Telefunken Patentverwertungs GmbH
Original Assignee
Telefunken Patentverwertungs GmbH
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
Priority claimed from DE1962T0021769 external-priority patent/DE1277449B/en
Application filed by Telefunken Patentverwertungs GmbH filed Critical Telefunken Patentverwertungs GmbH
Priority to FR927244A priority Critical patent/FR1350316A/en
Application granted granted Critical
Publication of FR1350316A publication Critical patent/FR1350316A/en
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
    • H01J29/68—Magnetic lenses using permanent magnets only
    • 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
    • H01J23/0873—Magnetic focusing arrangements with at least one axial-field reversal along the interaction space, e.g. P.P.M. focusing
FR927244A 1962-03-17 1963-03-08 Device for focusing and guiding electrons in an electron beam tube Expired FR1350316A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR927244A FR1350316A (en) 1962-03-17 1963-03-08 Device for focusing and guiding electrons in an electron beam tube

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE1962T0021769 DE1277449B (en) 1962-03-17 1962-03-17 Magnetic focusing arrangement for the bundled guidance of an electron beam, especially for traveling wave tubes
FR927244A FR1350316A (en) 1962-03-17 1963-03-08 Device for focusing and guiding electrons in an electron beam tube

Publications (1)

Publication Number Publication Date
FR1350316A true FR1350316A (en) 1964-01-24

Family

ID=25999591

Family Applications (1)

Application Number Title Priority Date Filing Date
FR927244A Expired FR1350316A (en) 1962-03-17 1963-03-08 Device for focusing and guiding electrons in an electron beam tube

Country Status (1)

Country Link
FR (1) FR1350316A (en)

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