PL374774A1 - Oxide cathode for electron gun with a differentially doped metallic substrate - Google Patents

Oxide cathode for electron gun with a differentially doped metallic substrate

Info

Publication number
PL374774A1
PL374774A1 PL03374774A PL37477403A PL374774A1 PL 374774 A1 PL374774 A1 PL 374774A1 PL 03374774 A PL03374774 A PL 03374774A PL 37477403 A PL37477403 A PL 37477403A PL 374774 A1 PL374774 A1 PL 374774A1
Authority
PL
Poland
Prior art keywords
electron gun
metallic substrate
oxide cathode
doped metallic
differentially doped
Prior art date
Application number
PL03374774A
Other languages
English (en)
Polish (pl)
Inventor
Jean-Michel Roquais
Donald John Wierschke
Original Assignee
Thomson Licensing S.A.
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 S.A. filed Critical Thomson Licensing S.A.
Publication of PL374774A1 publication Critical patent/PL374774A1/xx

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
PL03374774A 2002-07-24 2003-07-21 Oxide cathode for electron gun with a differentially doped metallic substrate PL374774A1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP02291859A EP1385190A1 (en) 2002-07-24 2002-07-24 Oxide cathode for electron gun with a differentially doped metallic substrate

Publications (1)

Publication Number Publication Date
PL374774A1 true PL374774A1 (en) 2005-10-31

Family

ID=29797335

Family Applications (1)

Application Number Title Priority Date Filing Date
PL03374774A PL374774A1 (en) 2002-07-24 2003-07-21 Oxide cathode for electron gun with a differentially doped metallic substrate

Country Status (8)

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

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
EP1385190A1 (en) 2004-01-28
AU2003262530A1 (en) 2004-02-16
WO2004012217A1 (en) 2004-02-05
CN100437874C (zh) 2008-11-26
CN1669104A (zh) 2005-09-14
MXPA05001022A (es) 2005-05-16
DE60305931D1 (de) 2006-07-20
JP2005534153A (ja) 2005-11-10
DE60305931T2 (de) 2007-06-21

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Legal Events

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REFS Decisions on refusal to grant patents (taken after the publication of the particulars of the applications)