DE59500487D1 - Vorratskathode - Google Patents

Vorratskathode

Info

Publication number
DE59500487D1
DE59500487D1 DE59500487T DE59500487T DE59500487D1 DE 59500487 D1 DE59500487 D1 DE 59500487D1 DE 59500487 T DE59500487 T DE 59500487T DE 59500487 T DE59500487 T DE 59500487T DE 59500487 D1 DE59500487 D1 DE 59500487D1
Authority
DE
Germany
Prior art keywords
supply cathode
cathode
supply
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 - Lifetime
Application number
DE59500487T
Other languages
English (en)
Inventor
Frank Dr Phil Bossert
Manfred Hacker
Rolf Dr Lotthammer
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 Air Systems and Electron Devices GmbH
Original Assignee
AEG Elektronische Roehren GmbH
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 AEG Elektronische Roehren GmbH filed Critical AEG Elektronische Roehren GmbH
Application granted granted Critical
Publication of DE59500487D1 publication Critical patent/DE59500487D1/de
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • H01J1/20—Cathodes heated indirectly by an electric current; Cathodes heated by electron or ion bombardment
    • H01J1/28—Dispenser-type cathodes, e.g. L-cathode
DE59500487T 1994-03-16 1995-03-07 Vorratskathode Expired - Lifetime DE59500487D1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE4408941A DE4408941A1 (de) 1994-03-16 1994-03-16 Vorratskathode

Publications (1)

Publication Number Publication Date
DE59500487D1 true DE59500487D1 (de) 1997-09-18

Family

ID=6512957

Family Applications (2)

Application Number Title Priority Date Filing Date
DE4408941A Withdrawn DE4408941A1 (de) 1994-03-16 1994-03-16 Vorratskathode
DE59500487T Expired - Lifetime DE59500487D1 (de) 1994-03-16 1995-03-07 Vorratskathode

Family Applications Before (1)

Application Number Title Priority Date Filing Date
DE4408941A Withdrawn DE4408941A1 (de) 1994-03-16 1994-03-16 Vorratskathode

Country Status (4)

Country Link
US (1) US5594299A (de)
EP (1) EP0673051B1 (de)
JP (1) JPH07272614A (de)
DE (2) DE4408941A1 (de)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6054801A (en) * 1998-02-27 2000-04-25 Regents, University Of California Field emission cathode fabricated from porous carbon foam material
RU2176833C1 (ru) * 2000-11-30 2001-12-10 Закрытое акционерное общество Научно-производственный центр "СОЛИТОН-НТТ" Материал электродов генераторов низкотемпературной плазмы
WO2006115428A1 (fr) * 2005-04-27 2006-11-02 Vladimir Ivanovich Kapustin Materiau de thermo-emetteur destine a l'ionisation en surface des compositions organiques aeriennes et procede d'activation de thermo-emetteur
GB2567853B (en) 2017-10-26 2020-07-29 Isotopx Ltd Gas-source mass spectrometer comprising an electron source

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1072753B (de) * 1953-11-28 1960-01-07 Siemens &. Halske Aktiengesellschaft, Berlin und München Kathode fur elektrische Entladungsgefaße und Verfahren zu deren Herstellung
US2995674A (en) * 1959-02-27 1961-08-08 Raytheon Co Impregnated cathodes
US3155864A (en) * 1960-03-21 1964-11-03 Gen Electric Dispenser cathode
DE3017429A1 (de) * 1980-05-07 1981-11-12 Licentia Patent-Verwaltungs-Gmbh, 6000 Frankfurt Elektronenroehre und verfahren zu deren herstellung
US4417173A (en) * 1980-12-09 1983-11-22 E M I-Varian Limited Thermionic electron emitters and methods of making them
DE3122950A1 (de) * 1981-06-10 1983-01-05 Licentia Patent-Verwaltungs-Gmbh, 6000 Frankfurt Verfahren zum herstellen einer vorratskathode
JPS63236239A (ja) * 1987-03-10 1988-10-03 シーメンス、アクチエンゲゼルシヤフト 放電管用デイスペンサー陰極とその製法
US4810926A (en) * 1987-07-13 1989-03-07 Syracuse University Impregnated thermionic cathode
FR2625364B1 (fr) * 1987-12-23 1990-05-04 Thomson Csf Procede de fabrication d'une cathode impregnee et cathode obtenue par ce procede
US5019752A (en) * 1988-06-16 1991-05-28 Hughes Aircraft Company Plasma switch with chrome, perturbated cold cathode
KR910003698B1 (en) * 1988-11-11 1991-06-08 Samsung Electronic Devices Cavity reservoir type dispenser cathode and method of the same
KR920009849B1 (ko) * 1990-12-28 1992-10-31 주식회사 금성사 함침형 음극 제조방법
KR930007461B1 (ko) * 1991-04-23 1993-08-11 주식회사 금성사 함침형 음극 제조방법
DE4114856A1 (de) * 1991-05-07 1992-11-12 Licentia Gmbh Vorratskathode und verfahren zu deren herstellung

Also Published As

Publication number Publication date
JPH07272614A (ja) 1995-10-20
US5594299A (en) 1997-01-14
EP0673051B1 (de) 1997-08-13
EP0673051A1 (de) 1995-09-20
DE4408941A1 (de) 1995-09-21

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8327 Change in the person/name/address of the patent owner

Owner name: THOMSON TUBES ELECTRONIQUES GMBH, 89077 ULM, DE

8320 Willingness to grant licences declared (paragraph 23)
8327 Change in the person/name/address of the patent owner

Owner name: THALES ELECTRON DEVICES GMBH, 89077 ULM, DE

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