EP0124395A1 - Elektronenstrahlerzeuger für Mikrowellengeneratoren - Google Patents

Elektronenstrahlerzeuger für Mikrowellengeneratoren Download PDF

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Publication number
EP0124395A1
EP0124395A1 EP84400614A EP84400614A EP0124395A1 EP 0124395 A1 EP0124395 A1 EP 0124395A1 EP 84400614 A EP84400614 A EP 84400614A EP 84400614 A EP84400614 A EP 84400614A EP 0124395 A1 EP0124395 A1 EP 0124395A1
Authority
EP
European Patent Office
Prior art keywords
electrodes
electron gun
cathode
electron
magnetic field
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.)
Granted
Application number
EP84400614A
Other languages
English (en)
French (fr)
Other versions
EP0124395B1 (de
Inventor
Georges Mourier
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 SA
Original Assignee
Thomson CSF SA
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 Thomson CSF SA filed Critical Thomson CSF SA
Publication of EP0124395A1 publication Critical patent/EP0124395A1/de
Application granted granted Critical
Publication of EP0124395B1 publication Critical patent/EP0124395B1/de
Expired legal-status Critical Current

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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
    • H01J23/06—Electron or ion guns
    • H01J23/075—Magnetron injection guns

Definitions

  • the present invention relates to an electron gun for radio wave generators for high frequency. It relates more particularly to an electron gun providing an electron beam propagating along cycloidal paths intended for use in microwave generators of the maser type with cyclotron resonance.
  • the electron guns of the type comprising a conical cathode and a conical coaxial anode subjected to an axial magnetic field, used in cyclotron resonance masers such as gyrotrons, are not suitable.
  • the electron gun according to the present invention is constituted by a cathode 1 and by two electrodes 2, 3 brought to different potentials so as to create between these two electrodes 2, 3 a continuous electric field E c More specifically, the electrode 2 called the sole is brought to a negative or zero potential while the electrode 3 called the anode is brought to a positive potential V.
  • the cathode 1 is located in the extension of sole 2 and is brought to the same potential as this electrode.
  • This cathode 1 comprises for example a filament 4 connected to a voltage so as to obtain, during the heating of the cathode, the emission of electrons.
  • the whole of the electron gun is subjected to a uniform magnetic field B perpendicular to the plane of the figure of which a few lines of force have been represented by crosses.
  • This magnetic field is created, for example, from two superconductive coils positioned on either side of the electrodes 2, 3 according to the Helmholz rule. For the purpose of simplification, these coils have not been shown in the drawing.
  • E co the electric field in front of the cathode.
  • the anode 3 must therefore have, relative to the cathode, a potential at least 4 times greater than the energy of rotation of the electrons which is usable in the cyclotronic interaction.

Landscapes

  • Microwave Tubes (AREA)
  • Particle Accelerators (AREA)
EP84400614A 1983-04-06 1984-03-27 Elektronenstrahlerzeuger für Mikrowellengeneratoren Expired EP0124395B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR8305603A FR2544127B1 (fr) 1983-04-06 1983-04-06 Canon a electrons pour generateurs d'ondes radioelectriques pour hyperfrequences
FR8305603 1983-04-06

Publications (2)

Publication Number Publication Date
EP0124395A1 true EP0124395A1 (de) 1984-11-07
EP0124395B1 EP0124395B1 (de) 1988-01-27

Family

ID=9287566

Family Applications (1)

Application Number Title Priority Date Filing Date
EP84400614A Expired EP0124395B1 (de) 1983-04-06 1984-03-27 Elektronenstrahlerzeuger für Mikrowellengeneratoren

Country Status (5)

Country Link
US (1) US4563615A (de)
EP (1) EP0124395B1 (de)
JP (1) JPS6041734A (de)
DE (1) DE3469101D1 (de)
FR (1) FR2544127B1 (de)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5245250A (en) * 1989-07-11 1993-09-14 Hidetsugu Ikegami Method for controlling a charged particle beam

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU2519184A (en) * 1983-03-21 1984-09-27 Miles Laboratories Inc. Microdroplet dispensing apparatus
FR2625836B1 (fr) * 1988-01-13 1996-01-26 Thomson Csf Collecteur d'electrons pour tube electronique
FR2672730B1 (fr) * 1991-02-12 1993-04-23 Thomson Tubes Electroniques Dispositif convertisseur de modes et diviseur de puissance pour tube hyperfrequence et tube hyperfrequence comprenant un tel dispositif.
JP4900620B2 (ja) * 2006-11-30 2012-03-21 株式会社光子発生技術研究所 Ｒｆ電子銃
US8581526B1 (en) * 2010-08-28 2013-11-12 Jefferson Science Associates, Llc Unbalanced field RF electron gun

Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR984020A (fr) * 1949-02-04 1951-07-02 Csf Tube à propagation d'onde à champ magnétique transversal dont le ranport à la valeur critique est variable le long de la ligne à retard
FR1034831A (fr) * 1951-03-29 1953-08-03 Csf Tube à propagation d'onde à champ magnétique transversal à grand gain
US2890372A (en) * 1956-02-23 1959-06-09 Raytheon Mfg Co Traveling wave amplifiers
US2924741A (en) * 1954-11-27 1960-02-09 Alfven Hannes Olof Gosta High frequency electron tube device
FR1415052A (fr) * 1963-10-29 1965-10-22 Litton Industries Inc Amplificateur d'ondes progressant dans le sens direct, à large bande
US3378718A (en) * 1966-06-02 1968-04-16 Raytheon Co Crossed-field traveling wave electron reaction device employing cyclotron mode interaction
US3504222A (en) * 1966-10-07 1970-03-31 Hitachi Ltd Slow-wave circuit including meander line and shielding therefor
FR2126186A1 (de) * 1971-02-24 1972-10-06 Tektronix Inc
GB1364531A (en) * 1971-09-07 1974-08-21 Khotina A V Av and others electron beam generator

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1037956A (fr) * 1951-05-31 1953-09-24 Csf Canon à électrons pour tube à décharge à champs électrique et magnétique croisés
US2890037A (en) * 1954-11-10 1959-06-09 United States Steel Corp Method and apparatus for continuously cooling metal strips
US3189785A (en) * 1960-04-25 1965-06-15 Bell Telephone Labor Inc Pre-interaction cycloidal beam deflection in crossed-field tube
US3271618A (en) * 1963-10-28 1966-09-06 Litton Prec Products Inc Depressed collectors for crossed field travelling wave tubes
US4207495A (en) * 1978-08-30 1980-06-10 The United States Of America As Represented By The Secretary Of The Air Force Means for improving the collector efficiency of an emitting sole crossed field amplifier

Patent Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR984020A (fr) * 1949-02-04 1951-07-02 Csf Tube à propagation d'onde à champ magnétique transversal dont le ranport à la valeur critique est variable le long de la ligne à retard
FR1034831A (fr) * 1951-03-29 1953-08-03 Csf Tube à propagation d'onde à champ magnétique transversal à grand gain
US2924741A (en) * 1954-11-27 1960-02-09 Alfven Hannes Olof Gosta High frequency electron tube device
US2890372A (en) * 1956-02-23 1959-06-09 Raytheon Mfg Co Traveling wave amplifiers
FR1415052A (fr) * 1963-10-29 1965-10-22 Litton Industries Inc Amplificateur d'ondes progressant dans le sens direct, à large bande
US3378718A (en) * 1966-06-02 1968-04-16 Raytheon Co Crossed-field traveling wave electron reaction device employing cyclotron mode interaction
US3504222A (en) * 1966-10-07 1970-03-31 Hitachi Ltd Slow-wave circuit including meander line and shielding therefor
FR2126186A1 (de) * 1971-02-24 1972-10-06 Tektronix Inc
GB1364531A (en) * 1971-09-07 1974-08-21 Khotina A V Av and others electron beam generator

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5245250A (en) * 1989-07-11 1993-09-14 Hidetsugu Ikegami Method for controlling a charged particle beam

Also Published As

Publication number Publication date
FR2544127A1 (fr) 1984-10-12
FR2544127B1 (fr) 1985-12-13
US4563615A (en) 1986-01-07
DE3469101D1 (en) 1988-03-03
JPS6041734A (ja) 1985-03-05
EP0124395B1 (de) 1988-01-27
JPH0443371B2 (de) 1992-07-16

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