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FR2100370A5 - - Google Patents

Info

Publication number
FR2100370A5
FR2100370A5 FR7124887A FR7124887A FR2100370A5 FR 2100370 A5 FR2100370 A5 FR 2100370A5 FR 7124887 A FR7124887 A FR 7124887A FR 7124887 A FR7124887 A FR 7124887A FR 2100370 A5 FR2100370 A5 FR 2100370A5
Authority
FR
France
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
FR7124887A
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.)
Varian Medical Systems Inc
Original Assignee
Varian Associates Inc
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 Varian Associates Inc filed Critical Varian Associates Inc
Application granted granted Critical
Publication of FR2100370A5 publication Critical patent/FR2100370A5/fr
Expired legal-status Critical Current

Links

Classifications

    • 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
    • H01J3/027—Construction of the gun or parts thereof
    • 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
    • H01J23/065—Electron or ion guns producing a solid cylindrical beam
    • 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
FR7124887A 1970-11-16 1971-07-07 Expired FR2100370A5 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US8997270A 1970-11-16 1970-11-16

Publications (1)

Publication Number Publication Date
FR2100370A5 true FR2100370A5 (en) 1972-03-17

Family

ID=22220465

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7124887A Expired FR2100370A5 (en) 1970-11-16 1971-07-07

Country Status (2)

Country Link
US (1) US3706002A (en)
FR (1) FR2100370A5 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2370356A1 (en) * 1976-11-04 1978-06-02 Emi Varian Ltd IMPROVEMENTS TO ELECTRON TRANSMITTERS

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3809939A (en) * 1972-11-08 1974-05-07 Varian Associates Gridded electron tube employing cooled ceramic insulator for mounting control grid
DE2433781C2 (en) * 1974-07-13 1984-12-13 Kernforschungszentrum Karlsruhe Gmbh, 7500 Karlsruhe Electron source
JPS5848336A (en) * 1981-09-17 1983-03-22 Tokyo Inst Of Technol cold cathode magnetron injection electron gun
US5534747A (en) * 1994-05-13 1996-07-09 Litton Systems, Inc. Variable focus electron gun assembly with ceramic spacers
JP2008078103A (en) * 2006-09-25 2008-04-03 Nuflare Technology Inc Electron gun conditioning processing method and processing apparatus
US10923307B1 (en) * 2020-04-13 2021-02-16 Hamamatsu Photonics K.K. Electron beam generator

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2370356A1 (en) * 1976-11-04 1978-06-02 Emi Varian Ltd IMPROVEMENTS TO ELECTRON TRANSMITTERS

Also Published As

Publication number Publication date
US3706002A (en) 1972-12-12

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Legal Events

Date Code Title Description
ST Notification of lapse