FR1451976A - Electron gun - Google Patents

Electron gun

Info

Publication number
FR1451976A
FR1451976A FR984778A FR984778A FR1451976A FR 1451976 A FR1451976 A FR 1451976A FR 984778 A FR984778 A FR 984778A FR 984778 A FR984778 A FR 984778A FR 1451976 A FR1451976 A FR 1451976A
Authority
FR
France
Prior art keywords
electron gun
gun
electron
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
FR984778A
Other languages
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.)
Sperry Corp
Original Assignee
Sperry Rand Corp
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 Sperry Rand Corp filed Critical Sperry Rand Corp
Application granted granted Critical
Publication of FR1451976A publication Critical patent/FR1451976A/en
Expired legal-status Critical Current

Links

Classifications

    • 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
    • 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
    • H01J23/075—Magnetron injection guns
FR984778A 1963-08-12 1964-08-11 Electron gun Expired FR1451976A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US301368A US3315110A (en) 1963-08-12 1963-08-12 Shaped-field hollow beam electron gun having high beam perveance and high beam convergence ratio

Publications (1)

Publication Number Publication Date
FR1451976A true FR1451976A (en) 1966-02-25

Family

ID=23163056

Family Applications (1)

Application Number Title Priority Date Filing Date
FR984778A Expired FR1451976A (en) 1963-08-12 1964-08-11 Electron gun

Country Status (5)

Country Link
US (1) US3315110A (en)
DE (1) DE1491425A1 (en)
FR (1) FR1451976A (en)
GB (1) GB1070529A (en)
NL (1) NL6409101A (en)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5552675A (en) * 1959-04-08 1996-09-03 Lemelson; Jerome H. High temperature reaction apparatus
DE1541036B1 (en) * 1966-04-26 1970-08-06 Siemens Ag System for generating a hollow electron beam for travel-time tubes, especially high-power traveling wave tubes
US3700952A (en) * 1971-08-30 1972-10-24 Us Navy High power pulsed microwave source
US3700945A (en) * 1971-08-30 1972-10-24 Us Navy High power pulsed electron beam
GB2152741B (en) * 1980-04-28 1986-02-12 Emi Varian Ltd Producing an electron beam
EP0058039B1 (en) * 1981-02-10 1985-02-20 Thorn Emi-Varian Limited Gyrotron device
JPS5848336A (en) * 1981-09-17 1983-03-22 Tokyo Inst Of Technol Cold-cathode electron gun for magnetron
US8258725B2 (en) * 2008-04-03 2012-09-04 Patrick Ferguson Hollow beam electron gun for use in a klystron
CN114944313B (en) * 2022-06-30 2023-09-12 电子科技大学 Multi-beam electron gun of rotary traveling wave tube

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB539422A (en) * 1940-02-06 1941-09-10 Standard Telephones Cables Ltd Improvements in or relating to arrangments for producing concentrated beams of electrons, particularly for electron discharge apparatus of the velocity modulation type
US2812467A (en) * 1952-10-10 1957-11-05 Bell Telephone Labor Inc Electron beam system

Also Published As

Publication number Publication date
DE1491425A1 (en) 1969-02-20
GB1070529A (en) 1967-06-01
US3315110A (en) 1967-04-18
NL6409101A (en) 1965-02-15

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