DE68900732D1 - Direkt geheizte kathode aus thermoemittierendem material. - Google Patents

Direkt geheizte kathode aus thermoemittierendem material.

Info

Publication number
DE68900732D1
DE68900732D1 DE8989400375T DE68900732T DE68900732D1 DE 68900732 D1 DE68900732 D1 DE 68900732D1 DE 8989400375 T DE8989400375 T DE 8989400375T DE 68900732 T DE68900732 T DE 68900732T DE 68900732 D1 DE68900732 D1 DE 68900732D1
Authority
DE
Germany
Prior art keywords
thermo
emitting material
directly heated
heated cathode
cathode made
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
DE8989400375T
Other languages
German (de)
English (en)
Inventor
Didier Thomson-Csf Scpi Grass
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
Application granted granted Critical
Publication of DE68900732D1 publication Critical patent/DE68900732D1/de
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
    • 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
    • H01J1/15—Cathodes heated directly by an electric current
DE8989400375T 1988-02-26 1989-02-09 Direkt geheizte kathode aus thermoemittierendem material. Expired - Fee Related DE68900732D1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR8802364A FR2627897B1 (fr) 1988-02-26 1988-02-26 Cathode a chauffage direct en materiau thermoemissif

Publications (1)

Publication Number Publication Date
DE68900732D1 true DE68900732D1 (de) 1992-03-05

Family

ID=9363662

Family Applications (1)

Application Number Title Priority Date Filing Date
DE8989400375T Expired - Fee Related DE68900732D1 (de) 1988-02-26 1989-02-09 Direkt geheizte kathode aus thermoemittierendem material.

Country Status (4)

Country Link
EP (1) EP0330543B1 (fr)
JP (1) JPH01292726A (fr)
DE (1) DE68900732D1 (fr)
FR (1) FR2627897B1 (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2299137B (en) * 1995-03-20 1999-04-28 Matra Marconi Space Uk Ltd Ion thruster

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1045396A (en) * 1965-07-23 1966-10-12 Standard Telephones Cables Ltd Thermionic cathodes
JPS5514646A (en) * 1978-07-17 1980-02-01 Toshiba Corp Electron gun

Also Published As

Publication number Publication date
FR2627897A1 (fr) 1989-09-01
FR2627897B1 (fr) 1990-06-22
EP0330543B1 (fr) 1992-01-22
JPH01292726A (ja) 1989-11-27
EP0330543A1 (fr) 1989-08-30

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee