MX9709805A - Conjunto de catodo de tipo impregnado, substrato de catodo para usarse en el conjunto, cañon electronico usando el conjunto, y tubo electronico usando el conjunto de catodo. - Google Patents

Conjunto de catodo de tipo impregnado, substrato de catodo para usarse en el conjunto, cañon electronico usando el conjunto, y tubo electronico usando el conjunto de catodo.

Info

Publication number
MX9709805A
MX9709805A MX9709805A MX9709805A MX9709805A MX 9709805 A MX9709805 A MX 9709805A MX 9709805 A MX9709805 A MX 9709805A MX 9709805 A MX9709805 A MX 9709805A MX 9709805 A MX9709805 A MX 9709805A
Authority
MX
Mexico
Prior art keywords
cathode
grain size
impregnated
substrate used
electron
Prior art date
Application number
MX9709805A
Other languages
English (en)
Inventor
Eiichirou Uda
Toshiharu Higuchi
Osamu Nakamura
Kiyomi Koyama
Sadao Matsumoto
Yoshiaki Ouchi
Kazuo Kobayashi
Takashi Sudo
Katsuhisa Homma
Original Assignee
Toshiba Kk
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 Toshiba Kk filed Critical Toshiba Kk
Publication of MX9709805A publication Critical patent/MX9709805A/es

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
    • H01J23/00—Details of transit-time tubes of the types covered by group H01J25/00
    • H01J23/02—Electrodes; Magnetic control means; Screens
    • H01J23/08—Focusing arrangements, e.g. for concentrating stream of electrons, for preventing spreading of stream
    • H01J23/087—Magnetic focusing arrangements
    • 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
    • H01J23/00—Details of transit-time tubes of the types covered by group H01J25/00
    • H01J23/02—Electrodes; Magnetic control means; Screens
    • H01J23/04—Cathodes
    • 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
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J2223/00—Details of transit-time tubes of the types covered by group H01J2225/00
    • H01J2223/02—Electrodes; Magnetic control means; Screens
    • H01J2223/04—Cathodes

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Solid Thermionic Cathode (AREA)
  • Electrodes For Cathode-Ray Tubes (AREA)

Abstract

Se proporciona un substrato de cátodo de tipo impregnado que comprende una region de porosidad baja de diámetro de partícula grande y una region de porosidad elevada de diámetro de partícula pequeña que se proporciona en un lado de una superficie de emision de electrones de la region de porosidad baja de diámetro de partícula grande y tiene un diámetro de partícula promedio más pequeño que el diámetro de partícula promedio de la region de poro baja de diámetro de partícula grande y una porosidad más elevada que la porosidad de la region de porosidad baja de diámetro de partícula grande, estando impregnado el cátodo de tipo impregnado con una substancia de emision de electrones.
MX9709805A 1995-06-09 1996-06-06 Conjunto de catodo de tipo impregnado, substrato de catodo para usarse en el conjunto, cañon electronico usando el conjunto, y tubo electronico usando el conjunto de catodo. MX9709805A (es)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP14312795 1995-06-09
PCT/JP1996/001527 WO1996042100A1 (fr) 1995-06-09 1996-06-06 Structure de cathode impregnee, substrat de cathode pour une telle structure, structure de canon a electrons utilisant une telle structure de cathode, et tube electronique

Publications (1)

Publication Number Publication Date
MX9709805A true MX9709805A (es) 1998-03-29

Family

ID=15331550

Family Applications (1)

Application Number Title Priority Date Filing Date
MX9709805A MX9709805A (es) 1995-06-09 1996-06-06 Conjunto de catodo de tipo impregnado, substrato de catodo para usarse en el conjunto, cañon electronico usando el conjunto, y tubo electronico usando el conjunto de catodo.

Country Status (8)

Country Link
US (3) US6034469A (es)
EP (1) EP0831512A4 (es)
KR (1) KR100260691B1 (es)
CN (1) CN1099125C (es)
MX (1) MX9709805A (es)
PL (1) PL324090A1 (es)
TW (1) TW440883B (es)
WO (1) WO1996042100A1 (es)

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JP3688970B2 (ja) * 2000-02-29 2005-08-31 株式会社日立製作所 薄膜型電子源を用いた表示装置及びその製造方法
JP2001345041A (ja) * 2000-06-01 2001-12-14 Mitsubishi Electric Corp 電子管用陰極
US7253104B2 (en) * 2003-12-01 2007-08-07 Micron Technology, Inc. Methods of forming particle-containing materials
US7550909B2 (en) * 2005-09-13 2009-06-23 L-3 Communications Corporation Electron gun providing improved thermal isolation
JP2009508320A (ja) * 2005-09-14 2009-02-26 リッテルフューズ，インコーポレイティド ガス入りサージアレスタ、活性化化合物、点火ストライプ及びその方法
GB0618411D0 (en) * 2006-09-19 2006-11-01 Univ Surrey Thermo-electric propulsion device, method of operating a thermo-electric propulsion device and spacecraft
CN102315062B (zh) * 2010-07-07 2013-08-07 中国科学院电子学研究所 一种长寿命覆膜浸渍钡钨阴极及其制备方法
CN103050354A (zh) * 2011-10-17 2013-04-17 中国科学院电子学研究所 一种储存式覆膜浸渍钡钨阴极及制备方法
CN102768928B (zh) * 2012-03-30 2015-07-08 安徽华东光电技术研究所 一种阴极盐及其制备方法、含有该阴极盐的钡钨阴极及其制备方法
US10141155B2 (en) * 2016-12-20 2018-11-27 Kla-Tencor Corporation Electron beam emitters with ruthenium coating
JP6466020B1 (ja) * 2018-10-16 2019-02-06 株式会社Ｐｈｏｔｏ ｅｌｅｃｔｒｏｎ Ｓｏｕｌ 電子銃、電子線適用装置、電子銃による電子射出方法、および、電子ビームの焦点位置調整方法
KR102390110B1 (ko) * 2019-09-13 2022-04-25 캐논 아네르바 가부시키가이샤 전리 진공계 및 카트리지
CN111508801B (zh) * 2020-04-21 2022-12-20 安徽华东光电技术研究所有限公司 一种回旋振荡管电子流通调整方法和系统
WO2024059296A1 (en) * 2022-09-15 2024-03-21 Elve Inc. Cathode heater assembly for vacuum electronic devices and methods of manufacture

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Also Published As

Publication number Publication date
US6034469A (en) 2000-03-07
KR100260691B1 (ko) 2000-07-01
CN1190488A (zh) 1998-08-12
US6447355B1 (en) 2002-09-10
EP0831512A4 (en) 1999-02-10
KR19990022701A (ko) 1999-03-25
CN1099125C (zh) 2003-01-15
TW440883B (en) 2001-06-16
WO1996042100A1 (fr) 1996-12-27
PL324090A1 (en) 1998-05-11
US6304024B1 (en) 2001-10-16
EP0831512A1 (en) 1998-03-25

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