DE59202904D1 - Vorratskathode und Verfahren zu deren Herstellung. - Google Patents

Vorratskathode und Verfahren zu deren Herstellung.

Info

Publication number
DE59202904D1
DE59202904D1 DE59202904T DE59202904T DE59202904D1 DE 59202904 D1 DE59202904 D1 DE 59202904D1 DE 59202904 T DE59202904 T DE 59202904T DE 59202904 T DE59202904 T DE 59202904T DE 59202904 D1 DE59202904 D1 DE 59202904D1
Authority
DE
Germany
Prior art keywords
manufacture
storage cathode
cathode
storage
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
DE59202904T
Other languages
English (en)
Inventor
Rolf Dr Lotthammer
Frank Dr Bossert
Manfred Hacker
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 GmbH
Original Assignee
Licentia Patent Verwaltungs 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 Licentia Patent Verwaltungs GmbH filed Critical Licentia Patent Verwaltungs GmbH
Application granted granted Critical
Publication of DE59202904D1 publication Critical patent/DE59202904D1/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
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J9/00—Apparatus or processes specially adapted for the manufacture, installation, removal, maintenance of electric discharge tubes, discharge lamps, or parts thereof; Recovery of material from discharge tubes or lamps
    • H01J9/02—Manufacture of electrodes or electrode systems
    • H01J9/04—Manufacture of electrodes or electrode systems of thermionic cathodes
    • H01J9/042—Manufacture, activation of the emissive part
    • H01J9/047—Cathodes having impregnated bodies

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Solid Thermionic Cathode (AREA)
  • Powder Metallurgy (AREA)
DE59202904T 1991-05-07 1992-04-14 Vorratskathode und Verfahren zu deren Herstellung. Expired - Lifetime DE59202904D1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE4114856A DE4114856A1 (de) 1991-05-07 1991-05-07 Vorratskathode und verfahren zu deren herstellung

Publications (1)

Publication Number Publication Date
DE59202904D1 true DE59202904D1 (de) 1995-08-24

Family

ID=6431145

Family Applications (2)

Application Number Title Priority Date Filing Date
DE4114856A Withdrawn DE4114856A1 (de) 1991-05-07 1991-05-07 Vorratskathode und verfahren zu deren herstellung
DE59202904T Expired - Lifetime DE59202904D1 (de) 1991-05-07 1992-04-14 Vorratskathode und Verfahren zu deren Herstellung.

Family Applications Before (1)

Application Number Title Priority Date Filing Date
DE4114856A Withdrawn DE4114856A1 (de) 1991-05-07 1991-05-07 Vorratskathode und verfahren zu deren herstellung

Country Status (4)

Country Link
US (1) US5318468A (de)
EP (1) EP0512280B1 (de)
JP (1) JPH05144369A (de)
DE (2) DE4114856A1 (de)

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4142535A1 (de) * 1991-12-21 1993-06-24 Philips Patentverwaltung Scandat-kathode und verfahren zur ihrer herstellung
GB2279495A (en) * 1993-06-22 1995-01-04 Thorn Microwave Devices Limite Thermionic cathode
US5407633A (en) * 1994-03-15 1995-04-18 U.S. Philips Corporation Method of manufacturing a dispenser cathode
DE4408941A1 (de) * 1994-03-16 1995-09-21 Licentia Gmbh Vorratskathode
DE19828729B4 (de) * 1998-06-29 2010-07-15 Philips Intellectual Property & Standards Gmbh Scandat-Vorratskathode mit Barium-Calcium-Aluminat-Schichtabfolge und korrespondierende elektrische Entladungsröhre
JP2001006521A (ja) * 1999-06-22 2001-01-12 Nec Kansai Ltd カソード構体およびカラーブラウン管
US7671523B2 (en) * 2003-05-23 2010-03-02 Lawrence Livermore National Security, Llc Material for electrodes of low temperature plasma generators
RU2176833C1 (ru) * 2000-11-30 2001-12-10 Закрытое акционерное общество Научно-производственный центр "СОЛИТОН-НТТ" Материал электродов генераторов низкотемпературной плазмы
DE10121445A1 (de) * 2001-05-02 2002-11-07 Philips Corp Intellectual Pty Verfahren zur Herstellung einer Vorratskathode für eine Kathodenstrahlröhre
US7545089B1 (en) * 2005-03-21 2009-06-09 Calabazas Creek Research, Inc. Sintered wire cathode
CN101834106B (zh) * 2010-05-12 2012-10-24 安徽华东光电技术研究所 一种钨基浸渍阴极及其制备方法
RU2640355C2 (ru) * 2016-04-18 2017-12-28 Общество с ограниченной ответственностью "Штерн" (ООО "Штерн") Способ изготовления катода на основе массива автоэмиссионных эмиттеров
US11878442B2 (en) 2018-06-08 2024-01-23 Lockheed Martin Corporation Additive manufacture of complex intermetallic and ceramic structures
CN109065424B (zh) * 2018-07-03 2021-04-23 九江学院 一种铼浸渍钪钨基合金阴极的制备方法

Family Cites Families (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL102345C (de) * 1954-06-16
US3010196A (en) * 1957-09-25 1961-11-28 Gen Motors Corp Method for making composite metal members
US3373307A (en) * 1963-11-21 1968-03-12 Philips Corp Dispenser cathode
BE759174A (fr) * 1969-11-21 1971-05-19 Philips Nv Cathode a reserve et son procede de realisation
US3842309A (en) * 1970-11-12 1974-10-15 Philips Corp Method of manufacturing a storage cathode and cathode manufactured by said method
CH579824A5 (de) * 1974-10-25 1976-09-15 Bbc Brown Boveri & Cie
JPS52108770A (en) * 1976-03-09 1977-09-12 Hitachi Ltd Manufacture for direct heat type cathode
US4165473A (en) * 1976-06-21 1979-08-21 Varian Associates, Inc. Electron tube with dispenser cathode
JPS5488059A (en) * 1977-12-26 1979-07-12 Hitachi Ltd Thermion emission cathode
GB2043991B (en) * 1978-11-30 1983-05-11 Varian Associates Method of fabricating a dispenser cathode
GB2050045A (en) * 1979-05-29 1980-12-31 Emi Varian Ltd Thermionic cathode
JPS5652835A (en) * 1979-10-01 1981-05-12 Hitachi Ltd Impregnated cathode
SU890479A1 (ru) * 1980-03-18 1981-12-15 Предприятие П/Я В-2058 Оксидный катод и способ его изготовлени
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
NL8403031A (nl) * 1984-10-05 1986-05-01 Philips Nv Werkwijze voor het vervaardigen van een scandaatnaleveringskathode en scandaatnaleveringskathode vervaardigd volgens deze werkwijze.
GB2188771B (en) * 1986-04-01 1990-12-19 Ceradyne Inc Dispenser cathode and method of manufacture therefor
NL8702727A (nl) * 1987-11-16 1989-06-16 Philips Nv Scandaatkathode.
US4823044A (en) * 1988-02-10 1989-04-18 Ceradyne, Inc. Dispenser cathode and method of manufacture therefor
KR910003698B1 (en) * 1988-11-11 1991-06-08 Samsung Electronic Devices Cavity reservoir type dispenser cathode and method of the same

Also Published As

Publication number Publication date
US5318468A (en) 1994-06-07
EP0512280A1 (de) 1992-11-11
DE4114856A1 (de) 1992-11-12
JPH05144369A (ja) 1993-06-11
EP0512280B1 (de) 1995-07-19

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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: AEG ELEKTRONISCHE ROEHREN GMBH, 89077 ULM, DE

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