DE69011571D1 - Oxidkathode. - Google Patents

Oxidkathode.

Info

Publication number
DE69011571D1
DE69011571D1 DE69011571T DE69011571T DE69011571D1 DE 69011571 D1 DE69011571 D1 DE 69011571D1 DE 69011571 T DE69011571 T DE 69011571T DE 69011571 T DE69011571 T DE 69011571T DE 69011571 D1 DE69011571 D1 DE 69011571D1
Authority
DE
Germany
Prior art keywords
oxide cathode
cathode
oxide
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
DE69011571T
Other languages
English (en)
Other versions
DE69011571T2 (de
Inventor
Petrus Jacobus Antonius Derks
Carolus Antonius Smets
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.)
Koninklijke Philips NV
Original Assignee
Philips Gloeilampenfabrieken NV
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 Philips Gloeilampenfabrieken NV filed Critical Philips Gloeilampenfabrieken NV
Application granted granted Critical
Publication of DE69011571D1 publication Critical patent/DE69011571D1/de
Publication of DE69011571T2 publication Critical patent/DE69011571T2/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
    • H01J1/14—Solid thermionic cathodes characterised by the material
    • 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
    • H01J1/14—Solid thermionic cathodes characterised by the material
    • H01J1/144—Solid thermionic cathodes characterised by the material with other metal oxides as an emissive material
DE69011571T 1989-04-28 1990-04-23 Oxidkathode. Expired - Fee Related DE69011571T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL8901076A NL8901076A (nl) 1989-04-28 1989-04-28 Oxydekathode.

Publications (2)

Publication Number Publication Date
DE69011571D1 true DE69011571D1 (de) 1994-09-22
DE69011571T2 DE69011571T2 (de) 1995-03-02

Family

ID=19854570

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69011571T Expired - Fee Related DE69011571T2 (de) 1989-04-28 1990-04-23 Oxidkathode.

Country Status (8)

Country Link
US (1) US5075589A (de)
EP (1) EP0395157B1 (de)
JP (1) JPH02304835A (de)
KR (1) KR0143555B1 (de)
CN (1) CN1041870C (de)
CA (1) CA2015399A1 (de)
DE (1) DE69011571T2 (de)
NL (1) NL8901076A (de)

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2667721B1 (fr) * 1990-10-05 1997-01-10 Hitachi Ltd Cathode pour tube electronique.
NL9002291A (nl) * 1990-10-22 1992-05-18 Philips Nv Oxydekathode.
DE4207220A1 (de) * 1992-03-07 1993-09-09 Philips Patentverwaltung Festkoerperelement fuer eine thermionische kathode
KR100346369B1 (ko) * 1993-08-24 2002-10-25 삼성에스디아이 주식회사 산화물음극
JP2876591B2 (ja) * 1996-11-29 1999-03-31 三菱電機株式会社 電子管用陰極
KR100249714B1 (ko) * 1997-12-30 2000-03-15 손욱 전자총용 음극
WO2002025682A1 (en) * 2000-09-19 2002-03-28 Koninklijke Philips Electronics N.V. Cathode ray tube comprising a cathode of a composite material
US7671523B2 (en) * 2003-05-23 2010-03-02 Lawrence Livermore National Security, Llc Material for electrodes of low temperature plasma generators
GB2416073B (en) * 2001-10-15 2006-04-12 Futaba Denshi Kogyo Kk Directly heated oxide cathode and fluorescent display tube using the same
KR100442300B1 (ko) * 2002-01-04 2004-07-30 엘지.필립스디스플레이(주) 음극선관용 음극
JP2004022271A (ja) * 2002-06-14 2004-01-22 Hitachi Displays Ltd 陰極線管
US20050037134A1 (en) * 2003-08-12 2005-02-17 Chunghwa Picture Tubes, Ltd. Process of manufacturing micronized oxide cathode
CN101447376B (zh) * 2008-12-31 2010-09-01 北京工业大学 Y2O3-Lu2O3体系复合稀土-钼电子发射材料及其制备方法
RU2462781C1 (ru) * 2011-03-14 2012-09-27 Государственное образовательное учреждение высшего профессионального образования "Мордовский государственный университет им. Н.П. Огарева" Материал эмиссионного покрытия катодов электронно-ионных приборов

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0719530B2 (ja) * 1984-06-29 1995-03-06 株式会社日立製作所 陰極線管
KR900007751B1 (ko) * 1985-05-25 1990-10-19 미쯔비시덴끼 가부시기가이샤 전자관 음극 및 그 제조방법
CA1270890A (en) * 1985-07-19 1990-06-26 Keiji Watanabe Cathode for electron tube
US4675091A (en) * 1986-04-16 1987-06-23 United States Of America As Represented By The Secretary Of The Navy Co-sputtered thermionic cathodes and fabrication thereof
KR910002969B1 (ko) * 1987-06-12 1991-05-11 미쓰비시전기주식회사 전자관음극(cathode for an electron tube)

Also Published As

Publication number Publication date
CN1041870C (zh) 1999-01-27
CN1046812A (zh) 1990-11-07
KR0143555B1 (ko) 1998-07-01
CA2015399A1 (en) 1990-10-28
EP0395157B1 (de) 1994-08-17
EP0395157A1 (de) 1990-10-31
JPH02304835A (ja) 1990-12-18
DE69011571T2 (de) 1995-03-02
NL8901076A (nl) 1990-11-16
US5075589A (en) 1991-12-24
KR900017067A (ko) 1990-11-15

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Legal Events

Date Code Title Description
8327 Change in the person/name/address of the patent owner

Owner name: PHILIPS ELECTRONICS N.V., EINDHOVEN, NL

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

Owner name: KONINKLIJKE PHILIPS ELECTRONICS N.V., EINDHOVEN, N

8320 Willingness to grant licences declared (paragraph 23)
8339 Ceased/non-payment of the annual fee