KR100811719B1 - 음극선관 및 산화물 음극 - Google Patents

음극선관 및 산화물 음극 Download PDF

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Publication number
KR100811719B1
KR100811719B1 KR1020027006215A KR20027006215A KR100811719B1 KR 100811719 B1 KR100811719 B1 KR 100811719B1 KR 1020027006215 A KR1020027006215 A KR 1020027006215A KR 20027006215 A KR20027006215 A KR 20027006215A KR 100811719 B1 KR100811719 B1 KR 100811719B1
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KR
South Korea
Prior art keywords
oxide
cathode
grain size
oxides
size distribution
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
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KR1020027006215A
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English (en)
Korean (ko)
Other versions
KR20020053857A (ko
Inventor
게오르그 에프. 가에르트너
페트루스 아. 엠. 반데르하이데
윈드햄 엠. 존스톤
Original Assignee
코닌클리케 필립스 일렉트로닉스 엔.브이.
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Application filed by 코닌클리케 필립스 일렉트로닉스 엔.브이. filed Critical 코닌클리케 필립스 일렉트로닉스 엔.브이.
Publication of KR20020053857A publication Critical patent/KR20020053857A/ko
Application granted granted Critical
Publication of KR100811719B1 publication Critical patent/KR100811719B1/ko
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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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)
KR1020027006215A 2000-09-19 2001-09-06 음극선관 및 산화물 음극 Expired - Fee Related KR100811719B1 (ko)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
EP00308163.5 2000-09-19
EP00308163 2000-09-19

Publications (2)

Publication Number Publication Date
KR20020053857A KR20020053857A (ko) 2002-07-05
KR100811719B1 true KR100811719B1 (ko) 2008-03-11

Family

ID=8173271

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1020027006215A Expired - Fee Related KR100811719B1 (ko) 2000-09-19 2001-09-06 음극선관 및 산화물 음극

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

Citations (5)

* 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
EP0395157A1 (en) * 1989-04-28 1990-10-31 Koninklijke Philips Electronics N.V. Oxide cathode
JPH06224222A (ja) * 1992-11-13 1994-08-12 G T C:Kk 多結晶シリコン薄膜トランジスタの製造方法
US5808404A (en) 1995-09-18 1998-09-15 Hitachi, Ltd. Electron tube including a cathode having an electron emissive material layer
JPH11288658A (ja) 1998-04-01 1999-10-19 Hitachi Ltd 酸化物陰極

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
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
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
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
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

Patent Citations (5)

* 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
EP0395157A1 (en) * 1989-04-28 1990-10-31 Koninklijke Philips Electronics N.V. Oxide cathode
JPH06224222A (ja) * 1992-11-13 1994-08-12 G T C:Kk 多結晶シリコン薄膜トランジスタの製造方法
US5808404A (en) 1995-09-18 1998-09-15 Hitachi, Ltd. Electron tube including a cathode having an electron emissive material layer
JPH11288658A (ja) 1998-04-01 1999-10-19 Hitachi Ltd 酸化物陰極

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
ATE420451T1 (de) 2009-01-15
JP2004510292A (ja) 2004-04-02
US6833659B2 (en) 2004-12-21
WO2002025682A1 (en) 2002-03-28
US20020074921A1 (en) 2002-06-20
EP1232512A1 (en) 2002-08-21
EP1232512B1 (en) 2009-01-07
CN1394348A (zh) 2003-01-29

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