ATE420451T1 - Kathodenstrahlröhre mit kompositkathode - Google Patents

Kathodenstrahlröhre mit kompositkathode

Info

Publication number
ATE420451T1
ATE420451T1 AT01980350T AT01980350T ATE420451T1 AT E420451 T1 ATE420451 T1 AT E420451T1 AT 01980350 T AT01980350 T AT 01980350T AT 01980350 T AT01980350 T AT 01980350T AT E420451 T1 ATE420451 T1 AT E420451T1
Authority
AT
Austria
Prior art keywords
cathode
oxide
ray tube
oxides
group formed
Prior art date
Application number
AT01980350T
Other languages
German (de)
English (en)
Inventor
Georg Gaertner
Der Heide Petrus Van
Wyndham Johnstone
Original Assignee
Koninkl Philips Electronics 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 Koninkl Philips Electronics Nv filed Critical Koninkl Philips Electronics Nv
Application granted granted Critical
Publication of ATE420451T1 publication Critical patent/ATE420451T1/de

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J29/00—Details of cathode-ray tubes or of electron-beam tubes of the types covered by group H01J31/00
    • H01J29/02—Electrodes; Screens; Mounting, supporting, spacing or insulating thereof
    • H01J29/04—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
    • H01J1/14—Solid thermionic cathodes characterised by the material
    • H01J1/142—Solid thermionic cathodes characterised by the material with alkaline-earth metal oxides, or such oxides used in conjunction with reducing agents, as an emissive material

Landscapes

  • Solid Thermionic Cathode (AREA)
  • Electrodes For Cathode-Ray Tubes (AREA)
  • Vessels, Lead-In Wires, Accessory Apparatuses For Cathode-Ray Tubes (AREA)
AT01980350T 2000-09-19 2001-09-06 Kathodenstrahlröhre mit kompositkathode ATE420451T1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP00308163 2000-09-19

Publications (1)

Publication Number Publication Date
ATE420451T1 true ATE420451T1 (de) 2009-01-15

Family

ID=8173271

Family Applications (1)

Application Number Title Priority Date Filing Date
AT01980350T ATE420451T1 (de) 2000-09-19 2001-09-06 Kathodenstrahlröhre mit kompositkathode

Country Status (8)

Country Link
US (1) US6833659B2 (https=)
EP (1) EP1232512B1 (https=)
JP (1) JP4949603B2 (https=)
KR (1) KR100811719B1 (https=)
CN (1) CN1227700C (https=)
AT (1) ATE420451T1 (https=)
DE (1) DE60137305D1 (https=)
WO (1) WO2002025682A1 (https=)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6882093B2 (en) * 2001-08-01 2005-04-19 Matsushita Electric Industrial Co., Ltd. Long-life electron tube device, electron tube cathode, and manufacturing method for the electron tube device
EP1612827A4 (en) * 2003-03-14 2006-06-14 Matsushita Electric Industrial Co Ltd INDIRECTLY HEATED CATHODE AND CATHODE RAY TUBES THEREWITH
KR100490170B1 (ko) * 2003-07-10 2005-05-16 엘지.필립스 디스플레이 주식회사 음극선관용 음극
US20050037134A1 (en) * 2003-08-12 2005-02-17 Chunghwa Picture Tubes, Ltd. Process of manufacturing micronized oxide cathode
US20060068196A1 (en) * 2004-09-24 2006-03-30 Kabushiki Kaisha Toshiba High-frequency magnetic material, producing method for the same and high-frequency magnetic device
US7786661B2 (en) * 2008-06-06 2010-08-31 General Electric Company Emissive electrode materials for electric lamps and methods of making
CN103632902B (zh) * 2013-01-10 2016-01-13 中国科学院电子学研究所 一种阴极活性发射材料的制备方法

Family Cites Families (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS54129867A (en) * 1978-03-31 1979-10-08 Hitachi Ltd Cathode constituent of direct heating type
JPS62165833A (ja) * 1986-01-18 1987-07-22 Mitsubishi Electric Corp 電子管用陰極
CA1270890A (en) * 1985-07-19 1990-06-26 Keiji Watanabe Cathode for electron tube
JPH0750586B2 (ja) * 1986-04-17 1995-05-31 三菱電機株式会社 電子管用陰極
NL8901076A (nl) * 1989-04-28 1990-11-16 Philips Nv Oxydekathode.
FR2667721B1 (fr) * 1990-10-05 1997-01-10 Hitachi Ltd Cathode pour tube electronique.
JP3395213B2 (ja) * 1992-09-14 2003-04-07 株式会社日立製作所 電子管陰極
JP2587570B2 (ja) * 1992-11-13 1997-03-05 株式会社ジーティシー 多結晶シリコン薄膜トランジスタおよびその製造方法
KR100294484B1 (ko) * 1993-08-24 2001-09-17 김순택 전자관용음극
JPH08321250A (ja) * 1995-05-24 1996-12-03 Hitachi Ltd 電子放射物質層を有する陰極を備えた電子管
JPH0982233A (ja) 1995-09-18 1997-03-28 Hitachi Ltd 電子放射物質層を有する陰極を備えた電子管
FR2745951B1 (fr) * 1996-03-05 1998-06-05 Thomson Csf Cathode thermoionique et son procede de fabrication
JP2876591B2 (ja) * 1996-11-29 1999-03-31 三菱電機株式会社 電子管用陰極
JPH11288658A (ja) * 1998-04-01 1999-10-19 Hitachi Ltd 酸化物陰極
TW419688B (en) * 1998-05-14 2001-01-21 Mitsubishi Electric Corp Cathod ray tube provided with an oxide cathod and process for making the same
JP2000357464A (ja) * 1999-06-14 2000-12-26 Hitachi Ltd 陰極線管

Also Published As

Publication number Publication date
JP4949603B2 (ja) 2012-06-13
DE60137305D1 (de) 2009-02-26
KR20020053857A (ko) 2002-07-05
CN1227700C (zh) 2005-11-16
JP2004510292A (ja) 2004-04-02
US6833659B2 (en) 2004-12-21
WO2002025682A1 (en) 2002-03-28
KR100811719B1 (ko) 2008-03-11
US20020074921A1 (en) 2002-06-20
EP1232512A1 (en) 2002-08-21
EP1232512B1 (en) 2009-01-07
CN1394348A (zh) 2003-01-29

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Legal Events

Date Code Title Description
RER Ceased as to paragraph 5 lit. 3 law introducing patent treaties