EP1063668A3 - Sous-ensemble de cathode et tube à rayons cathodiques de couleur muni d'un tel sous-ensemble - Google Patents

Sous-ensemble de cathode et tube à rayons cathodiques de couleur muni d'un tel sous-ensemble Download PDF

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Publication number
EP1063668A3
EP1063668A3 EP00401786A EP00401786A EP1063668A3 EP 1063668 A3 EP1063668 A3 EP 1063668A3 EP 00401786 A EP00401786 A EP 00401786A EP 00401786 A EP00401786 A EP 00401786A EP 1063668 A3 EP1063668 A3 EP 1063668A3
Authority
EP
European Patent Office
Prior art keywords
pellet
electron
emissive material
powder
cathode
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.)
Withdrawn
Application number
EP00401786A
Other languages
German (de)
English (en)
Other versions
EP1063668A2 (fr
Inventor
Toshikazu Sugimura
Maki Narita
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.)
NEC Electronics Corp
Original Assignee
NEC Electronics Corp
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 NEC Electronics Corp filed Critical NEC Electronics Corp
Publication of EP1063668A2 publication Critical patent/EP1063668A2/fr
Publication of EP1063668A3 publication Critical patent/EP1063668A3/fr
Withdrawn legal-status Critical Current

Links

Classifications

    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01JELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J1/00Details 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
    • H01J1/02Main electrodes
    • H01J1/13Solid thermionic cathodes
    • H01J1/20Cathodes heated indirectly by an electric current; Cathodes heated by electron or ion bombardment
    • H01J1/26Supports for the emissive material
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01JELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J29/00Details of cathode-ray tubes or of electron-beam tubes of the types covered by group H01J31/00
    • H01J29/02Electrodes; Screens; Mounting, supporting, spacing or insulating thereof
    • H01J29/04Cathodes
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01JELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J1/00Details 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
    • H01J1/02Main electrodes
    • H01J1/13Solid thermionic cathodes
    • H01J1/14Solid thermionic cathodes characterised by the material
    • H01J1/142Solid 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)
EP00401786A 1999-06-22 2000-06-22 Sous-ensemble de cathode et tube à rayons cathodiques de couleur muni d'un tel sous-ensemble Withdrawn EP1063668A3 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP17500999 1999-06-22
JP17500999A JP2001006521A (ja) 1999-06-22 1999-06-22 カソード構体およびカラーブラウン管

Publications (2)

Publication Number Publication Date
EP1063668A2 EP1063668A2 (fr) 2000-12-27
EP1063668A3 true EP1063668A3 (fr) 2004-09-08

Family

ID=15988630

Family Applications (1)

Application Number Title Priority Date Filing Date
EP00401786A Withdrawn EP1063668A3 (fr) 1999-06-22 2000-06-22 Sous-ensemble de cathode et tube à rayons cathodiques de couleur muni d'un tel sous-ensemble

Country Status (4)

Country Link
EP (1) EP1063668A3 (fr)
JP (1) JP2001006521A (fr)
KR (1) KR100335865B1 (fr)
TW (1) TW469462B (fr)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6624578B2 (en) 2001-06-04 2003-09-23 Extreme Devices Incorporated Cathode ray tube having multiple field emission cathodes
FR2840450A1 (fr) 2002-05-31 2003-12-05 Thomson Licensing Sa Corps cathodo-emissif pour cathode impregnee de tube electronique
JP2011076753A (ja) * 2009-09-29 2011-04-14 Denki Kagaku Kogyo Kk 電子源及び電子機器
JP5063715B2 (ja) * 2010-02-04 2012-10-31 株式会社日立ハイテクノロジーズ 電子源,電子銃、それを用いた電子顕微鏡装置及び電子線描画装置
CN111243917B (zh) * 2020-01-19 2021-12-07 中国科学院电子学研究所 一种阴极热子组件及其制备方法
CN113808892B (zh) * 2021-09-22 2023-10-20 中国科学院空天信息创新研究院 复合热子组件及其制备方法

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1076229A (en) * 1963-10-08 1967-07-19 Sylvania Electric Prod Cathodes
US3719856A (en) * 1971-05-19 1973-03-06 O Koppius Impregnants for dispenser cathodes
US4864187A (en) * 1985-05-25 1989-09-05 Mitsubishi Denki Kabushiki Kaisha Cathode for electron tube and manufacturing method thereof
JPH05114352A (ja) * 1991-10-24 1993-05-07 Toshiba Corp 含浸型陰極構体及びその製造方法
EP0847071A1 (fr) * 1996-02-29 1998-06-10 Matsushita Electronics Corporation Cathode de tube electronique
US5881355A (en) * 1997-07-23 1999-03-09 Nec Corporation Fabrication method of cathode member and electronic tube equipped therewith

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6460938A (en) * 1987-09-01 1989-03-08 Hitachi Ltd Cathode for electron tube
JPH0690907B2 (ja) * 1988-02-02 1994-11-14 三菱電機株式会社 電子管用陰極
JPH01307134A (ja) * 1988-06-02 1989-12-12 Mitsubishi Electric Corp 含浸形陰極
JPH02106843A (ja) * 1988-10-14 1990-04-18 Nec Corp 電子管用陰極
DE4114856A1 (de) * 1991-05-07 1992-11-12 Licentia Gmbh Vorratskathode und verfahren zu deren herstellung
JPH07235254A (ja) * 1994-02-21 1995-09-05 Tokyo Kasoode Kenkyusho:Kk 含浸型陰極

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1076229A (en) * 1963-10-08 1967-07-19 Sylvania Electric Prod Cathodes
US3719856A (en) * 1971-05-19 1973-03-06 O Koppius Impregnants for dispenser cathodes
US4864187A (en) * 1985-05-25 1989-09-05 Mitsubishi Denki Kabushiki Kaisha Cathode for electron tube and manufacturing method thereof
JPH05114352A (ja) * 1991-10-24 1993-05-07 Toshiba Corp 含浸型陰極構体及びその製造方法
EP0847071A1 (fr) * 1996-02-29 1998-06-10 Matsushita Electronics Corporation Cathode de tube electronique
US5881355A (en) * 1997-07-23 1999-03-09 Nec Corporation Fabrication method of cathode member and electronic tube equipped therewith

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
PATENT ABSTRACTS OF JAPAN vol. 0174, no. 73 (E - 1423) 27 August 1993 (1993-08-27) *

Also Published As

Publication number Publication date
KR100335865B1 (ko) 2002-05-10
TW469462B (en) 2001-12-21
KR20010039673A (ko) 2001-05-15
JP2001006521A (ja) 2001-01-12
EP1063668A2 (fr) 2000-12-27

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