FR2669771A1 - Cathode amelioree pour tubes hyperfrequence. - Google Patents

Cathode amelioree pour tubes hyperfrequence. Download PDF

Info

Publication number
FR2669771A1
FR2669771A1 FR9014786A FR9014786A FR2669771A1 FR 2669771 A1 FR2669771 A1 FR 2669771A1 FR 9014786 A FR9014786 A FR 9014786A FR 9014786 A FR9014786 A FR 9014786A FR 2669771 A1 FR2669771 A1 FR 2669771A1
Authority
FR
France
Prior art keywords
emissive
cathode
cathode according
edges
electrons
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.)
Withdrawn
Application number
FR9014786A
Other languages
English (en)
French (fr)
Inventor
Mourier Georges
Shroff Arvind
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
Application filed by Thomson Tubes Electroniques filed Critical Thomson Tubes Electroniques
Priority to FR9014786A priority Critical patent/FR2669771A1/fr
Priority to EP91403105A priority patent/EP0488852A1/fr
Priority to JP3337598A priority patent/JPH04286837A/ja
Publication of FR2669771A1 publication Critical patent/FR2669771A1/fr
Withdrawn legal-status Critical Current

Links

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
    • H01J23/04—Cathodes
    • 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
    • H01J23/09—Electric systems for directing or deflecting the discharge along a desired path, e.g. E-type

Landscapes

  • Microwave Tubes (AREA)
  • Solid Thermionic Cathode (AREA)
FR9014786A 1990-11-27 1990-11-27 Cathode amelioree pour tubes hyperfrequence. Withdrawn FR2669771A1 (fr)

Priority Applications (3)

Application Number Priority Date Filing Date Title
FR9014786A FR2669771A1 (fr) 1990-11-27 1990-11-27 Cathode amelioree pour tubes hyperfrequence.
EP91403105A EP0488852A1 (fr) 1990-11-27 1991-11-19 Cathode améliorée pour tubes hyperfréquence
JP3337598A JPH04286837A (ja) 1990-11-27 1991-11-27 マイクロ波管用の改良された陰極

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR9014786A FR2669771A1 (fr) 1990-11-27 1990-11-27 Cathode amelioree pour tubes hyperfrequence.

Publications (1)

Publication Number Publication Date
FR2669771A1 true FR2669771A1 (fr) 1992-05-29

Family

ID=9402617

Family Applications (1)

Application Number Title Priority Date Filing Date
FR9014786A Withdrawn FR2669771A1 (fr) 1990-11-27 1990-11-27 Cathode amelioree pour tubes hyperfrequence.

Country Status (3)

Country Link
EP (1) EP0488852A1 (ja)
JP (1) JPH04286837A (ja)
FR (1) FR2669771A1 (ja)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2726121B1 (fr) * 1994-10-21 1996-11-15 Thomson Tubes Electroniques Dispositif de chauffage par rayonnement pour cathode a chauffage indirect
DE10013634A1 (de) * 2000-03-18 2001-09-27 Thomson Tubes Electroniques Gm Kathodenstrahlröhre
FR3007192B1 (fr) * 2013-06-14 2016-12-23 Thales Sa Canon electronique a optique amelioree

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1392755A (en) * 1972-04-24 1975-04-30 Air Liquide Cathodes for electron guns
EP0122182A1 (fr) * 1983-04-07 1984-10-17 Commissariat à l'Energie Atomique Cathode pour canon à électrons
US4495442A (en) * 1981-09-17 1985-01-22 Tokyo Institute Of Technology Cold-cathode magnetron injection gun
JPS6185754A (ja) * 1984-10-01 1986-05-01 Nec Corp 電子管用電子銃
JPS61138430A (ja) * 1984-12-10 1986-06-25 Toshiba Corp ジヤイロトロン用電子銃
SU786677A1 (ru) * 1979-07-25 1989-02-23 Институт прикладной физики АН СССР Мазер на циклотронном резонансе
SU897039A1 (ru) * 1980-07-28 1989-09-30 Институт прикладной физики АН СССР Двухлучева электронна пушка мазера на циклотронном резонансе (ее варианты)
JPH0221540A (ja) * 1988-07-11 1990-01-24 Nec Corp マイクロ波管用電子銃

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0298921A (ja) * 1988-10-05 1990-04-11 Fujitsu Ltd 電子銃およびその製造方法および該電子銃を備えた露光装置および該露光装置を用いる半導体装置の製造方法

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1392755A (en) * 1972-04-24 1975-04-30 Air Liquide Cathodes for electron guns
SU786677A1 (ru) * 1979-07-25 1989-02-23 Институт прикладной физики АН СССР Мазер на циклотронном резонансе
SU897039A1 (ru) * 1980-07-28 1989-09-30 Институт прикладной физики АН СССР Двухлучева электронна пушка мазера на циклотронном резонансе (ее варианты)
US4495442A (en) * 1981-09-17 1985-01-22 Tokyo Institute Of Technology Cold-cathode magnetron injection gun
EP0122182A1 (fr) * 1983-04-07 1984-10-17 Commissariat à l'Energie Atomique Cathode pour canon à électrons
JPS6185754A (ja) * 1984-10-01 1986-05-01 Nec Corp 電子管用電子銃
JPS61138430A (ja) * 1984-12-10 1986-06-25 Toshiba Corp ジヤイロトロン用電子銃
JPH0221540A (ja) * 1988-07-11 1990-01-24 Nec Corp マイクロ波管用電子銃

Non-Patent Citations (6)

* Cited by examiner, † Cited by third party
Title
JAPANESE JOURNAL OF APPLIED PHYSICS, vol. 20, no. 11 novembre 1981,pages L789-L792, Tokyo, JP; K. MINAMI et al.: "Cold cathode magnetron injection gun for relativistic electron beams with a long pulse width" *
PATENT ABSTRACTS OF JAPAN, vol. 10, no. 259 (E-434)[2315], 4 septembre 1986; & JP-A-61 85 754 (NEC CORP.) 01-05-1986 *
PATENT ABSTRACTS OF JAPAN, vol. 10, no. 332 (E-453)[2388], 12 novembre 1986; & JP-A-61 138 430 (TOSHIBA CORP.) 25-06-1986 *
PATENT ABSTRACTS OF JAPAN, vol. 14, no. 163 (E-910)[4106], 29 mars 1990; & JP-A-2 21 540 (NEC CORP.) 24-01-1990 *
SOVIET INVENTIONS ILLUSTRATED, 7 mars 1990, semaine 9004, section Physics/Electricity, résumé no. 90-028499/04, Derwent Publications Ltd, Londres, GB; & SU-A-786 677 (V.E. ZAPEVALOV) 23-02-1989 *
SOVIET INVENTIONS ILLUSTRATED, 8 août 1990, semaine 9026, section Physics/Electricity, résumé no. 90-199237/26, Derwent Publications Ltd, Londres, GB; & SU-A-897 039 (AS USSR APPLIED PHYSICS, GORKY UNIVERSITY) 30-09-1989 *

Also Published As

Publication number Publication date
EP0488852A1 (fr) 1992-06-03
JPH04286837A (ja) 1992-10-12

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