DE60305931D1 - Oxidkathode für eine elektronenkanone mit einem unterschiedlich dotierten metallischem substrat - Google Patents

Oxidkathode für eine elektronenkanone mit einem unterschiedlich dotierten metallischem substrat

Info

Publication number
DE60305931D1
DE60305931D1 DE60305931T DE60305931T DE60305931D1 DE 60305931 D1 DE60305931 D1 DE 60305931D1 DE 60305931 T DE60305931 T DE 60305931T DE 60305931 T DE60305931 T DE 60305931T DE 60305931 D1 DE60305931 D1 DE 60305931D1
Authority
DE
Germany
Prior art keywords
doted
differently
metallic substrate
oxide cathode
electron cannon
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
DE60305931T
Other languages
English (en)
Other versions
DE60305931T2 (de
Inventor
Jean-Michel Roquais
Donald John Wierschke
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
Publication of DE60305931D1 publication Critical patent/DE60305931D1/de
Application granted granted Critical
Publication of DE60305931T2 publication Critical patent/DE60305931T2/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
    • 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
    • H01J1/26—Supports for the emissive material
DE60305931T 2002-07-24 2003-07-21 Oxidkathode für eine elektronenkanone mit einem unterschiedlich dotierten metallischem substrat Expired - Fee Related DE60305931T2 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
EP02291859A EP1385190A1 (de) 2002-07-24 2002-07-24 Oxidkathode für eine Elektronenkanone mit einem unterschiedlich dotierten metallischen Substrat
EP02291859 2002-07-24
PCT/EP2003/050323 WO2004012217A1 (en) 2002-07-24 2003-07-21 Oxide cathode for electron gun with a differentially doped metallic substrate.

Publications (2)

Publication Number Publication Date
DE60305931D1 true DE60305931D1 (de) 2006-07-20
DE60305931T2 DE60305931T2 (de) 2007-06-21

Family

ID=29797335

Family Applications (1)

Application Number Title Priority Date Filing Date
DE60305931T Expired - Fee Related DE60305931T2 (de) 2002-07-24 2003-07-21 Oxidkathode für eine elektronenkanone mit einem unterschiedlich dotierten metallischem substrat

Country Status (8)

Country Link
EP (1) EP1385190A1 (de)
JP (1) JP2005534153A (de)
CN (1) CN100437874C (de)
AU (1) AU2003262530A1 (de)
DE (1) DE60305931T2 (de)
MX (1) MXPA05001022A (de)
PL (1) PL374774A1 (de)
WO (1) WO2004012217A1 (de)

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3535757A (en) * 1968-03-22 1970-10-27 Rca Corp Method for making cathode assembly for electron tube
NL158647B (nl) * 1973-06-06 1978-11-15 Philips Nv Oxydkathode voor een elektrische ontladingsbuis.
JPS5816737B2 (ja) * 1978-04-24 1983-04-01 株式会社日立製作所 電子管用酸化物陰極
KR100366073B1 (ko) * 1995-10-30 2003-03-06 삼성에스디아이 주식회사 전자관용음극
FR2808377A1 (fr) * 2000-04-26 2001-11-02 Thomson Tubes & Displays Cathode a oxydes pour tube a rayons cathodiques

Also Published As

Publication number Publication date
MXPA05001022A (es) 2005-05-16
WO2004012217A1 (en) 2004-02-05
AU2003262530A1 (en) 2004-02-16
PL374774A1 (en) 2005-10-31
CN100437874C (zh) 2008-11-26
EP1385190A1 (de) 2004-01-28
DE60305931T2 (de) 2007-06-21
CN1669104A (zh) 2005-09-14
JP2005534153A (ja) 2005-11-10

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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