DE60319301D1 - Emittierende Kathodenstruktur für eine Vorratskathode einer Elektronenröhre - Google Patents

Emittierende Kathodenstruktur für eine Vorratskathode einer Elektronenröhre

Info

Publication number
DE60319301D1
DE60319301D1 DE60319301T DE60319301T DE60319301D1 DE 60319301 D1 DE60319301 D1 DE 60319301D1 DE 60319301 T DE60319301 T DE 60319301T DE 60319301 T DE60319301 T DE 60319301T DE 60319301 D1 DE60319301 D1 DE 60319301D1
Authority
DE
Germany
Prior art keywords
cathode
electron tube
dispenser
emitting
cathode structure
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
DE60319301T
Other languages
English (en)
Other versions
DE60319301T2 (de
Inventor
Jean-Claude Pruvost
Jeremy Langot
Jean-Remy Adamski
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.)
Thomson Licensing SAS
Original Assignee
Thomson Licensing SAS
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 Thomson Licensing SAS filed Critical Thomson Licensing SAS
Application granted granted Critical
Publication of DE60319301D1 publication Critical patent/DE60319301D1/de
Publication of DE60319301T2 publication Critical patent/DE60319301T2/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
    • 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
    • H01J1/20—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
    • 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
    • H01J9/047—Cathodes having impregnated bodies

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Solid Thermionic Cathode (AREA)
  • Electrodes For Cathode-Ray Tubes (AREA)
DE60319301T 2002-05-31 2003-05-26 Emittierende Kathodenstruktur für eine Vorratskathode einer Elektronenröhre Expired - Fee Related DE60319301T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR0206673 2002-05-31
FR0206673A FR2840450A1 (fr) 2002-05-31 2002-05-31 Corps cathodo-emissif pour cathode impregnee de tube electronique

Publications (2)

Publication Number Publication Date
DE60319301D1 true DE60319301D1 (de) 2008-04-10
DE60319301T2 DE60319301T2 (de) 2009-03-19

Family

ID=29415161

Family Applications (1)

Application Number Title Priority Date Filing Date
DE60319301T Expired - Fee Related DE60319301T2 (de) 2002-05-31 2003-05-26 Emittierende Kathodenstruktur für eine Vorratskathode einer Elektronenröhre

Country Status (9)

Country Link
US (1) US6979942B2 (de)
EP (1) EP1367620B1 (de)
JP (1) JP2004103553A (de)
KR (1) KR20030093967A (de)
CN (1) CN100353476C (de)
DE (1) DE60319301T2 (de)
FR (1) FR2840450A1 (de)
MX (1) MXPA03004425A (de)
MY (1) MY131138A (de)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
TW200606524A (en) * 2004-05-10 2006-02-16 Toshiba Kk Cold-cathode tube-use sintered electrode, cold-cathode tube provided with this cold-cathode tube-use sintered electrode and liquid crystal display unit
FR2900500A1 (fr) * 2006-04-26 2007-11-02 Thomson Licensing Sas Procede de fabrication de cathode pour tube a rayons cathodiques
US20090218235A1 (en) * 2007-12-26 2009-09-03 Mcdonald Robert C Gas sensor
DE102011076912B4 (de) * 2011-06-03 2015-08-20 Siemens Aktiengesellschaft Röntgengerät umfassend eine Multi-Fokus-Röntgenröhre
RU2494489C1 (ru) * 2012-02-10 2013-09-27 Общество с ограниченной ответственностью "Плутон Инвест" Магнетрон с безнакальным запуском со специальным активированием автоэлектронных катодов
CN112403105B (zh) * 2020-10-30 2022-04-29 西北有色金属研究院 一种低粗糙度小孔径不锈钢多孔片及其制备方法

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL7500248A (nl) * 1975-01-09 1976-07-13 Philips Nv Werkwijze voor het vervaardigen van een geperste naleveringskathode en naleveringskathode ver- vaardigd volgens deze werkwijze.
JPS6017831A (ja) * 1983-07-09 1985-01-29 New Japan Radio Co Ltd 含浸型陰極
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
JP3378275B2 (ja) * 1992-09-18 2003-02-17 株式会社東芝 多孔質焼結基体、その製造方法およびそれを用いた含浸型陰極
JP3322183B2 (ja) * 1997-02-07 2002-09-09 三菱電機株式会社 電子銃
JP3696720B2 (ja) * 1997-07-09 2005-09-21 松下電器産業株式会社 含浸型陰極とその製造方法
JP2001006521A (ja) * 1999-06-22 2001-01-12 Nec Kansai Ltd カソード構体およびカラーブラウン管

Also Published As

Publication number Publication date
MY131138A (en) 2007-07-31
DE60319301T2 (de) 2009-03-19
MXPA03004425A (es) 2005-07-13
US20040032195A1 (en) 2004-02-19
CN1462051A (zh) 2003-12-17
US6979942B2 (en) 2005-12-27
FR2840450A1 (fr) 2003-12-05
EP1367620B1 (de) 2008-02-27
JP2004103553A (ja) 2004-04-02
EP1367620A1 (de) 2003-12-03
KR20030093967A (ko) 2003-12-11
CN100353476C (zh) 2007-12-05

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee