IL43254A0 - Gridded electron gun employing a concave cathode emmitter - Google Patents

Gridded electron gun employing a concave cathode emmitter

Info

Publication number
IL43254A0
IL43254A0 IL43254A IL4325473A IL43254A0 IL 43254 A0 IL43254 A0 IL 43254A0 IL 43254 A IL43254 A IL 43254A IL 4325473 A IL4325473 A IL 4325473A IL 43254 A0 IL43254 A0 IL 43254A0
Authority
IL
Israel
Prior art keywords
emmitter
electron gun
gun employing
concave cathode
gridded electron
Prior art date
Application number
IL43254A
Other versions
IL43254A (en
Original Assignee
Varian Associates
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 filed Critical Varian Associates
Publication of IL43254A0 publication Critical patent/IL43254A0/en
Publication of IL43254A publication Critical patent/IL43254A/en

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
    • H01J3/029—Schematic arrangements for beam forming
    • 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
IL43254A 1972-09-28 1973-09-18 Gridded electron gun employing a concave cathode emitter IL43254A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US29320572A 1972-09-28 1972-09-28

Publications (2)

Publication Number Publication Date
IL43254A0 true IL43254A0 (en) 1973-11-28
IL43254A IL43254A (en) 1976-02-29

Family

ID=23128137

Family Applications (1)

Application Number Title Priority Date Filing Date
IL43254A IL43254A (en) 1972-09-28 1973-09-18 Gridded electron gun employing a concave cathode emitter

Country Status (5)

Country Link
CA (1) CA977077A (en)
DE (1) DE2348617C2 (en)
FR (1) FR2201535B1 (en)
GB (1) GB1400668A (en)
IL (1) IL43254A (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2535724A1 (en) * 1975-08-09 1977-02-17 Licentia Gmbh Cathode ray tube with axis symmetrical cathode - has shadow grid close to cathode which has circular ridges on its surface
FR2496290A1 (en) * 1980-12-12 1982-06-18 Efcis DIGITAL RELAY CIRCUIT BASED ON FREQUENCY
FR2775118B1 (en) * 1998-02-13 2000-05-05 Thomson Tubes Electroniques GRID FOR ELECTRONIC TUBE WITH AXIAL BEAM WITH IMPROVED PERFORMANCE

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2295680A (en) * 1940-10-25 1942-09-15 Westinghouse Electric & Mfg Co Ultra high frequency device with conical collector
US2967260A (en) * 1957-05-31 1961-01-03 Eitel Mccullough Inc Electron tube
US3107313A (en) * 1959-10-30 1963-10-15 Johann R Hechtel Velocity modulated electron tube with cathode means providing plural electron streams
US3500110A (en) * 1967-08-23 1970-03-10 Raytheon Co Noncurrent intercepting electron beam control element
FR1582070A (en) * 1968-04-26 1969-09-26
US3558967A (en) * 1969-06-16 1971-01-26 Varian Associates Linear beam tube with plural cathode beamlets providing a convergent electron stream
DE2210160C3 (en) * 1972-03-02 1975-04-30 Siemens Ag, 1000 Berlin Und 8000 Muenchen Electron gun system for time-of-flight tubes

Also Published As

Publication number Publication date
IL43254A (en) 1976-02-29
CA977077A (en) 1975-10-28
GB1400668A (en) 1975-07-23
FR2201535A1 (en) 1974-04-26
DE2348617C2 (en) 1984-09-27
FR2201535B1 (en) 1977-08-19
DE2348617A1 (en) 1974-04-04

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