TWI262952B - Cathode-ray tube cathode and alloy therefor - Google Patents

Cathode-ray tube cathode and alloy therefor

Info

Publication number
TWI262952B
TWI262952B TW090109645A TW90109645A TWI262952B TW I262952 B TWI262952 B TW I262952B TW 090109645 A TW090109645 A TW 090109645A TW 90109645 A TW90109645 A TW 90109645A TW I262952 B TWI262952 B TW I262952B
Authority
TW
Taiwan
Prior art keywords
cathode
ray tube
alloy
alloy therefor
therefor
Prior art date
Application number
TW090109645A
Other languages
English (en)
Inventor
Jean-Michel Roquais
Fabian Poret
Regine Le Doze
Marie Paul
Original Assignee
Thomson Licensing Sa
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 Sa filed Critical Thomson Licensing Sa
Application granted granted Critical
Publication of TWI262952B publication Critical patent/TWI262952B/zh

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
    • H01J1/14—Solid thermionic cathodes characterised by the material
    • H01J1/142—Solid 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)
  • Electroplating Methods And Accessories (AREA)
TW090109645A 2000-04-26 2001-04-23 Cathode-ray tube cathode and alloy therefor TWI262952B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR0005306A FR2808377A1 (fr) 2000-04-26 2000-04-26 Cathode a oxydes pour tube a rayons cathodiques

Publications (1)

Publication Number Publication Date
TWI262952B true TWI262952B (en) 2006-10-01

Family

ID=33017138

Family Applications (1)

Application Number Title Priority Date Filing Date
TW090109645A TWI262952B (en) 2000-04-26 2001-04-23 Cathode-ray tube cathode and alloy therefor

Country Status (8)

Country Link
US (1) US6798128B2 (zh)
EP (1) EP1152447A1 (zh)
JP (1) JP2001357770A (zh)
KR (1) KR100629187B1 (zh)
CN (1) CN1298008C (zh)
FR (1) FR2808377A1 (zh)
MY (1) MY123000A (zh)
TW (1) TWI262952B (zh)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1385190A1 (en) * 2002-07-24 2004-01-28 Thomson Licensing S.A. Oxide cathode for electron gun with a differentially doped metallic substrate
US7208864B2 (en) 2002-07-24 2007-04-24 Thomson Licensing Oxide cathode for electron gun with a differentially doped metallic substrate

Family Cites Families (23)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2566115A (en) * 1950-07-21 1951-08-28 Superior Tube Co Alloy for cathode element
US2837423A (en) * 1957-03-15 1958-06-03 Sylvania Electric Prod Nickel base cathode emissive alloy
GB866194A (en) * 1958-04-29 1961-04-26 Superior Tube Co Improvements in indirectly-heated nickel alloy cathodes
US4184100A (en) 1977-03-29 1980-01-15 Tokyo Shibaura Electric Co., Ltd. Indirectly-heated cathode device for electron tubes
GB2010911B (en) * 1977-12-06 1982-03-31 Philips Nv Method of making cathode support nickle strip
GB2012103B (en) * 1977-12-06 1982-05-12 Philips Nv Oxide cathode
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
US4636681A (en) * 1978-07-27 1987-01-13 Hitachi, Ltd. Directly heated cathode
JPS5641636A (en) * 1979-09-12 1981-04-18 Hitachi Ltd Directly heated type oxide cathode
US4441957A (en) * 1980-11-25 1984-04-10 Rca Corporation Method for selectively etching integral cathode substrate and support
US4376009A (en) * 1982-04-29 1983-03-08 Rca Corporation Limp-stream method for selectively etching integral cathode substrate and support
JPS5925986A (ja) * 1982-07-16 1984-02-10 Asahi Glass Co Ltd 高耐久性低水素過電圧陰極及びその製法
US4904896A (en) * 1984-11-27 1990-02-27 Rca Licensing Corporation Vacuum electron tube having an oxide cathode comprising chromium reducing agent
DE3751168T2 (de) 1986-12-19 1995-10-19 Toshiba Kawasaki Kk Struktur einer indirekt geheizten Kathode für Kathodenstrahlröhren.
KR910009660B1 (ko) * 1988-02-23 1991-11-25 미쓰비시전기 주식회사 전자관용 산화물피복음극
US4849066A (en) * 1988-09-23 1989-07-18 Rca Licensing Corporation Method for selectively etching integral cathode substrate and support utilizing increased etchant turbulence
NL8900806A (nl) * 1989-04-03 1990-11-01 Philips Nv Kathode voor een elektrische ontladingsbuis.
KR920007050A (ko) 1990-09-14 1992-04-28 이헌조 전자관용 음극 구조체 및 그 제조방법
JPH06215619A (ja) * 1993-01-19 1994-08-05 Sumitomo Electric Ind Ltd Ｃｒｔ用リード線
KR970003351B1 (ko) 1993-09-20 1997-03-17 엘지전자 주식회사 방열형 음극구조체 및 그 제조방법
JPH08143996A (ja) * 1994-11-24 1996-06-04 Sumitomo Metal Ind Ltd 熱間加工性に優れた電気機器用ニッケル
US5959395A (en) * 1996-02-29 1999-09-28 Matsushita Electronics Corporation Cathode for electron tube
JP2876591B2 (ja) * 1996-11-29 1999-03-31 三菱電機株式会社 電子管用陰極

Also Published As

Publication number Publication date
EP1152447A1 (en) 2001-11-07
KR100629187B1 (ko) 2006-09-28
CN1298008C (zh) 2007-01-31
FR2808377A1 (fr) 2001-11-02
KR20010098865A (ko) 2001-11-08
US20030164668A1 (en) 2003-09-04
JP2001357770A (ja) 2001-12-26
CN1323050A (zh) 2001-11-21
MY123000A (en) 2006-05-31
US6798128B2 (en) 2004-09-28

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Legal Events

Date Code Title Description
MM4A Annulment or lapse of patent due to non-payment of fees