GB1234517A - - Google Patents

Info

Publication number
GB1234517A
GB1234517A GB1234517DA GB1234517A GB 1234517 A GB1234517 A GB 1234517A GB 1234517D A GB1234517D A GB 1234517DA GB 1234517 A GB1234517 A GB 1234517A
Authority
GB
United Kingdom
Prior art keywords
grid
cathode
anode
screen
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
Other languages
English (en)
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 filed Critical
Publication of GB1234517A publication Critical patent/GB1234517A/en
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
    • H01J3/029—Schematic arrangements for beam forming

Landscapes

  • Electron Sources, Ion Sources (AREA)
  • Microwave Tubes (AREA)
GB1234517D 1968-04-26 1969-04-28 Expired GB1234517A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR149764 1968-04-26

Publications (1)

Publication Number Publication Date
GB1234517A true GB1234517A (fr) 1971-06-03

Family

ID=8649513

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1234517D Expired GB1234517A (fr) 1968-04-26 1969-04-28

Country Status (7)

Country Link
US (1) US3651360A (fr)
BE (1) BE731965A (fr)
DE (1) DE1919451B2 (fr)
FR (1) FR1582070A (fr)
GB (1) GB1234517A (fr)
LU (1) LU58469A1 (fr)
NL (1) NL6906459A (fr)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3311016A1 (de) * 1982-03-29 1983-10-13 Litton Systems, Inc., 90210 Beverly Hills, Calif. Mit zwei leistungen arbeitender elektronenstrahlerzeuger
GB2326272A (en) * 1997-06-13 1998-12-16 Eev Ltd Grids for electron beam tubes
US6741717B2 (en) 2001-09-28 2004-05-25 Mitel Knowledge Corporation Device for reducing structural-acoustic coupling between the diaphragm vibration field and the enclosure acoustic modes

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3983446A (en) * 1971-07-06 1976-09-28 Varian Associates Gridded convergent flow electron gun for linear beam tubes
DE2210160C3 (de) * 1972-03-02 1975-04-30 Siemens Ag, 1000 Berlin Und 8000 Muenchen Elektronenstrahlerzeugersystem für Laufzeitröhren
IL43254A (en) * 1972-09-28 1976-02-29 Varian Ass Ciates Gridded electron gun employing a concave cathode emitter
US3852633A (en) * 1972-12-13 1974-12-03 Varian Associates Gridded electron gun
US3818260A (en) * 1973-03-05 1974-06-18 Sperry Rand Corp Electron gun with masked cathode and non-intercepting control grid
US4680500A (en) * 1986-03-06 1987-07-14 The United States Of America As Represented By The Secretary Of The Air Force Integral grid/cathode for vacuum tubes
US7345290B2 (en) * 1999-10-07 2008-03-18 Agere Systems Inc Lens array for electron beam lithography tool
FR2861215B1 (fr) * 2003-10-20 2006-05-19 Calhene Canon a electrons a anode focalisante, formant une fenetre de ce canon, application a l'irradiation et a la sterilisation
WO2008050670A1 (fr) * 2006-10-23 2008-05-02 Ulvac, Inc. Procédé de commande de la mise au point d'un faisceau d'électrons d'un canon à électrons de type pierce et son dispositif de commande
WO2011011278A1 (fr) * 2009-07-20 2011-01-27 Advanced Electron Beams, Inc. Fenêtre de sortie d'émetteur
FR3077922B1 (fr) * 2018-02-15 2020-11-27 Thales Sa Grille circulaire pour une cathode cylindrique de tube hyperfrequence a faisceau lineaire, et procede de depose associe

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2398829A (en) * 1941-05-28 1946-04-23 Rca Corp Electron discharge device
US2758234A (en) * 1952-11-28 1956-08-07 Loewe Opta Ag Electrode system for cathode ray tubes
US3107313A (en) * 1959-10-30 1963-10-15 Johann R Hechtel Velocity modulated electron tube with cathode means providing plural electron streams
US3154711A (en) * 1961-06-19 1964-10-27 Gen Electric Electron beam focusing by means of contact differences of potential
US3558967A (en) * 1969-06-16 1971-01-26 Varian Associates Linear beam tube with plural cathode beamlets providing a convergent electron stream

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3311016A1 (de) * 1982-03-29 1983-10-13 Litton Systems, Inc., 90210 Beverly Hills, Calif. Mit zwei leistungen arbeitender elektronenstrahlerzeuger
GB2117967A (en) * 1982-03-29 1983-10-19 Litton Systems Inc Dual-mode electron gun
GB2326272A (en) * 1997-06-13 1998-12-16 Eev Ltd Grids for electron beam tubes
US6741717B2 (en) 2001-09-28 2004-05-25 Mitel Knowledge Corporation Device for reducing structural-acoustic coupling between the diaphragm vibration field and the enclosure acoustic modes

Also Published As

Publication number Publication date
FR1582070A (fr) 1969-09-26
BE731965A (fr) 1969-10-01
NL6906459A (fr) 1969-10-28
DE1919451A1 (de) 1969-11-06
LU58469A1 (fr) 1969-07-22
US3651360A (en) 1972-03-21
DE1919451B2 (de) 1972-07-06

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Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
PLNP Patent lapsed through nonpayment of renewal fees