FR2733856B1 - Cathode pour canon a electrons a grille, grille destinee a etre associee avec une telle cathode et canon a electrons comportant une telle cathode - Google Patents

Cathode pour canon a electrons a grille, grille destinee a etre associee avec une telle cathode et canon a electrons comportant une telle cathode

Info

Publication number
FR2733856B1
FR2733856B1 FR9505408A FR9505408A FR2733856B1 FR 2733856 B1 FR2733856 B1 FR 2733856B1 FR 9505408 A FR9505408 A FR 9505408A FR 9505408 A FR9505408 A FR 9505408A FR 2733856 B1 FR2733856 B1 FR 2733856B1
Authority
FR
France
Prior art keywords
cathode
grid
electron canon
canon
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 - Fee Related
Application number
FR9505408A
Other languages
English (en)
Other versions
FR2733856A1 (fr
Inventor
Guy Clerc
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.)
Thales Electron Devices SA
Original Assignee
Thomson Tubes Electroniques
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 to FR9505408A priority Critical patent/FR2733856B1/fr
Application filed by Thomson Tubes Electroniques filed Critical Thomson Tubes Electroniques
Priority to DE69614520T priority patent/DE69614520T2/de
Priority to JP53306796A priority patent/JP4019431B2/ja
Priority to EP96914252A priority patent/EP0824758B1/fr
Priority to CN96193728A priority patent/CN1099689C/zh
Priority to US08/945,675 priority patent/US5936335A/en
Priority to PCT/FR1996/000644 priority patent/WO1996035219A1/fr
Publication of FR2733856A1 publication Critical patent/FR2733856A1/fr
Application granted granted Critical
Publication of FR2733856B1 publication Critical patent/FR2733856B1/fr
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J25/00—Transit-time tubes, e.g. klystrons, travelling-wave tubes, magnetrons
    • H01J25/02—Tubes with electron stream modulated in velocity or density in a modulator zone and thereafter giving up energy in an inducing zone, the zones being associated with one or more resonators
    • H01J25/04—Tubes having one or more resonators, without reflection of the electron stream, and in which the modulation produced in the modulator zone is mainly density modulation, e.g. Heaff tube
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J1/00—Details of electrodes, of magnetic control means, of screens, or of the mounting or spacing thereof, common to two or more basic types of discharge tubes or lamps
    • H01J1/02—Main electrodes
    • H01J1/13—Solid thermionic cathodes
    • H01J1/20—Cathodes heated indirectly by an electric current; Cathodes heated by electron or ion bombardment
    • 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
    • H01J23/07—Electron or ion guns producing a hollow 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
    • H01J3/027—Construction of the gun or parts thereof
FR9505408A 1995-05-05 1995-05-05 Cathode pour canon a electrons a grille, grille destinee a etre associee avec une telle cathode et canon a electrons comportant une telle cathode Expired - Fee Related FR2733856B1 (fr)

Priority Applications (7)

Application Number Priority Date Filing Date Title
FR9505408A FR2733856B1 (fr) 1995-05-05 1995-05-05 Cathode pour canon a electrons a grille, grille destinee a etre associee avec une telle cathode et canon a electrons comportant une telle cathode
JP53306796A JP4019431B2 (ja) 1995-05-05 1996-04-26 グリッドを有する電子銃
EP96914252A EP0824758B1 (fr) 1995-05-05 1996-04-26 Canon a electrons a grille
CN96193728A CN1099689C (zh) 1995-05-05 1996-04-26 带栅极的电子枪
DE69614520T DE69614520T2 (de) 1995-05-05 1996-04-26 Eletronenkanone mit gitter
US08/945,675 US5936335A (en) 1995-05-05 1996-04-26 Electron gun having a grid
PCT/FR1996/000644 WO1996035219A1 (fr) 1995-05-05 1996-04-26 Canon a electrons a grille

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR9505408A FR2733856B1 (fr) 1995-05-05 1995-05-05 Cathode pour canon a electrons a grille, grille destinee a etre associee avec une telle cathode et canon a electrons comportant une telle cathode

Publications (2)

Publication Number Publication Date
FR2733856A1 FR2733856A1 (fr) 1996-11-08
FR2733856B1 true FR2733856B1 (fr) 1997-08-29

Family

ID=9478747

Family Applications (1)

Application Number Title Priority Date Filing Date
FR9505408A Expired - Fee Related FR2733856B1 (fr) 1995-05-05 1995-05-05 Cathode pour canon a electrons a grille, grille destinee a etre associee avec une telle cathode et canon a electrons comportant une telle cathode

Country Status (7)

Country Link
US (1) US5936335A (fr)
EP (1) EP0824758B1 (fr)
JP (1) JP4019431B2 (fr)
CN (1) CN1099689C (fr)
DE (1) DE69614520T2 (fr)
FR (1) FR2733856B1 (fr)
WO (1) WO1996035219A1 (fr)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB9712243D0 (en) * 1997-06-13 1997-08-13 Eev Ltd Grids
FR2775118B1 (fr) 1998-02-13 2000-05-05 Thomson Tubes Electroniques Grille pour tube electronique a faisceau axial a performances ameliorees
FR2789800B1 (fr) 1999-02-16 2001-05-11 Thomson Tubes Electroniques Generateur radiofrequence de tres grande puissance
GB9915925D0 (en) * 1999-07-08 1999-09-08 Univ Loughborough Flow field plates
US7345290B2 (en) * 1999-10-07 2008-03-18 Agere Systems Inc Lens array for electron beam lithography tool
US6528799B1 (en) * 2000-10-20 2003-03-04 Lucent Technologies, Inc. Device and method for suppressing space charge induced aberrations in charged-particle projection lithography systems
FR2853450B1 (fr) * 2003-04-04 2006-09-08 Thales Sa Grille de commande d'un tube electronique
JP4113032B2 (ja) * 2003-04-21 2008-07-02 キヤノン株式会社 電子銃及び電子ビーム露光装置
JP5148582B2 (ja) 2009-10-20 2013-02-20 株式会社エー・アンド・デイ 圧力を利用したリークテスター
CN105414732B (zh) * 2015-12-23 2018-06-29 哈尔滨工业大学（威海） 多阴极电子枪装置
CN106216788B (zh) * 2016-08-23 2019-07-02 安徽华东光电技术研究所 一种电子控制栅网焊接工装的焊接方法
CN115699241A (zh) * 2020-06-15 2023-02-03 上海联影医疗科技股份有限公司 电子枪

Family Cites Families (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR960750A (fr) * 1950-04-22
US2936393A (en) * 1956-12-28 1960-05-10 Hughes Aircraft Co Low noise traveling-wave tube
US2985789A (en) * 1960-02-17 1961-05-23 Bell Telephone Labor Inc Low-noise electron gun
DE1212227B (de) * 1961-12-13 1966-03-10 Deutsche Bundespost Flaechenkathode fuer Elektronenstrahlroehren
FR1523248A (fr) * 1967-03-07 1968-05-03 Thomson Houston Comp Francaise Perfectionnements aux procédés de fabrication d'électrodes en forme de grilles pour tubes électroniques, électrodes fabriquées à l'aide de ces procédés perfectionnés et tubes électroniques contenant de telles électrodes
DE2214660A1 (de) * 1971-04-12 1973-12-06 Werk Fernsehelektronik Veb Katode fuer laufzeitroehren
FR2445605A1 (fr) * 1978-12-27 1980-07-25 Thomson Csf Cathode a chauffage direct et tube electronique haute frequence comportant une telle cathode
FR2498372A1 (fr) * 1981-01-16 1982-07-23 Thomson Csf Cathode a chauffage direct, son procede de fabrication, et tube electronique incorporant une telle cathode
FR2532468A1 (fr) * 1982-08-31 1984-03-02 Thomson Csf Perfectionnement aux cathodes a chauffage direct
US4583021A (en) * 1983-04-18 1986-04-15 Litton Systems, Inc. Electron gun with improved cathode and shadow grid configuration
US4553064A (en) * 1983-08-30 1985-11-12 Hughes Aircraft Company Dual-mode electron gun with improved shadow grid arrangement
US4737680A (en) * 1986-04-10 1988-04-12 Litton Systems, Inc. Gridded electron gun
US4745326A (en) * 1986-12-10 1988-05-17 The United States Of America As Represented By The Secretary Of The Navy Method of manufacturing integral shadow gridded controlled porosity, dispenser cathodes
FR2693028A1 (fr) * 1992-06-26 1993-12-31 Thomson Tubes Electroniques Canon à électrons à échauffement réduit de la grille.
FR2728386B1 (fr) * 1994-12-20 1997-01-24 Thomson Tubes Electroniques Tube electronique a grille a performances ameliorees

Also Published As

Publication number Publication date
EP0824758B1 (fr) 2001-08-16
CN1099689C (zh) 2003-01-22
DE69614520T2 (de) 2002-05-08
FR2733856A1 (fr) 1996-11-08
DE69614520D1 (de) 2001-09-20
EP0824758A1 (fr) 1998-02-25
US5936335A (en) 1999-08-10
JP4019431B2 (ja) 2007-12-12
JPH11505059A (ja) 1999-05-11
CN1183852A (zh) 1998-06-03
WO1996035219A1 (fr) 1996-11-07

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Legal Events

Date Code Title Description
ST Notification of lapse

Effective date: 20090119