DE69626077T2 - Emittierendes Material für Kathodenstrahlröhren und Verfahren zu dessen Herstellung - Google Patents

Emittierendes Material für Kathodenstrahlröhren und Verfahren zu dessen Herstellung

Info

Publication number
DE69626077T2
DE69626077T2 DE69626077T DE69626077T DE69626077T2 DE 69626077 T2 DE69626077 T2 DE 69626077T2 DE 69626077 T DE69626077 T DE 69626077T DE 69626077 T DE69626077 T DE 69626077T DE 69626077 T2 DE69626077 T2 DE 69626077T2
Authority
DE
Germany
Prior art keywords
production
cathode ray
emitting material
ray tubes
tubes
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
DE69626077T
Other languages
English (en)
Other versions
DE69626077D1 (de
Inventor
Tetsuro Ozawa
Yoshiki Hayashida
Hiroshi Sakurai
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.)
Panasonic Corp
Original Assignee
Matsushita Electric Industrial Co Ltd
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 Matsushita Electric Industrial Co Ltd filed Critical Matsushita Electric Industrial Co Ltd
Application granted granted Critical
Publication of DE69626077D1 publication Critical patent/DE69626077D1/de
Publication of DE69626077T2 publication Critical patent/DE69626077T2/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
    • 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
    • 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
    • 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
    • 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
    • H01J1/30—Cold cathodes, e.g. field-emissive cathode
    • H01J1/316—Cold cathodes, e.g. field-emissive cathode having an electric field parallel to the surface, e.g. thin film cathodes

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Solid Thermionic Cathode (AREA)
  • Electrodes For Cathode-Ray Tubes (AREA)
DE69626077T 1995-09-21 1996-09-20 Emittierendes Material für Kathodenstrahlröhren und Verfahren zu dessen Herstellung Expired - Fee Related DE69626077T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP24304795 1995-09-21
JP8208518A JPH09147735A (ja) 1995-09-21 1996-08-07 陰極線管用エミッタ材料及びその製造方法

Publications (2)

Publication Number Publication Date
DE69626077D1 DE69626077D1 (de) 2003-03-13
DE69626077T2 true DE69626077T2 (de) 2003-11-20

Family

ID=26516878

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69626077T Expired - Fee Related DE69626077T2 (de) 1995-09-21 1996-09-20 Emittierendes Material für Kathodenstrahlröhren und Verfahren zu dessen Herstellung

Country Status (9)

Country Link
US (2) US6222308B1 (de)
EP (1) EP0764963B1 (de)
JP (1) JPH09147735A (de)
KR (1) KR100249477B1 (de)
CN (1) CN1090378C (de)
CA (1) CA2186065A1 (de)
DE (1) DE69626077T2 (de)
MY (1) MY114799A (de)
NO (1) NO963972L (de)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
TW419688B (en) * 1998-05-14 2001-01-21 Mitsubishi Electric Corp Cathod ray tube provided with an oxide cathod and process for making the same
DE10045406A1 (de) * 2000-09-14 2002-03-28 Philips Corp Intellectual Pty Kathodenstrahlröhre mit dotierter Oxidkathode
US20020195919A1 (en) * 2001-06-22 2002-12-26 Choi Jong-Seo Cathode for electron tube and method of preparing the cathode
KR100413499B1 (ko) * 2002-02-07 2004-01-03 엘지.필립스디스플레이(주) 음극선관용 음극
US8434116B2 (en) 2004-12-01 2013-04-30 At&T Intellectual Property I, L.P. Device, system, and method for managing television tuners
US8214859B2 (en) * 2005-02-14 2012-07-03 At&T Intellectual Property I, L.P. Automatic switching between high definition and standard definition IP television signals
CN100431084C (zh) * 2005-06-09 2008-11-05 中国科学院电子学研究所 热电子发射材料合成方法
US7908627B2 (en) 2005-06-22 2011-03-15 At&T Intellectual Property I, L.P. System and method to provide a unified video signal for diverse receiving platforms
CN103632902B (zh) * 2013-01-10 2016-01-13 中国科学院电子学研究所 一种阴极活性发射材料的制备方法
CN105679624B (zh) * 2016-03-03 2017-08-25 宁波凯耀电器制造有限公司 一种耐轰击的电子发射材料及其制备方法
CN110690085B (zh) * 2019-10-24 2022-03-11 成都国光电气股份有限公司 一种制备六元阴极发射物质的方法

Family Cites Families (22)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB182817A (en) 1921-07-11 1923-08-09 Drahtlose Telegraphie Gmbh Improvements in the cathodes of electric discharge tubes
US1870951A (en) 1928-07-11 1932-08-09 Westinghouse Lamp Co Electron emission material
BE440192A (de) 1940-02-21
GB663981A (en) 1948-07-30 1951-01-02 Sylvania Electric Prod Method of preparing electron-emissive coating materials
FR1029729A (fr) 1950-01-26 1953-06-05 Rca Corp Matière émettrice d'électrons
GB700313A (en) 1951-01-25 1953-11-25 Crompton Parkinson Ltd Improvements in or relating to electrodes for electrical discharge apparatus
US2703790A (en) 1952-08-28 1955-03-08 Raytheon Mfg Co Electron emissive materials
BE531122A (de) * 1953-08-14
JPS56134443A (en) * 1980-03-24 1981-10-21 Hitachi Ltd Manufacture of picture tube
CA1270890A (en) 1985-07-19 1990-06-26 Keiji Watanabe Cathode for electron tube
JPS6222347A (ja) 1985-07-19 1987-01-30 Mitsubishi Electric Corp 電子管用陰極
JPS63257153A (ja) 1987-04-14 1988-10-25 Mitsubishi Electric Corp 電子管用陰極
JPH01124926A (ja) * 1987-11-10 1989-05-17 Futaba Corp 酸化物陰極
KR910009660B1 (ko) 1988-02-23 1991-11-25 미쓰비시전기 주식회사 전자관용 산화물피복음극
JPH01315926A (ja) 1988-06-15 1989-12-20 Mitsubishi Electric Corp 電子管用陰極
NL8803047A (nl) 1988-12-13 1990-07-02 Philips Nv Oxydekathode.
US5055078A (en) 1989-12-18 1991-10-08 Samsung Electron Devices Co., Ltd. Manufacturing method of oxide cathode
NL9002291A (nl) 1990-10-22 1992-05-18 Philips Nv Oxydekathode.
US5276384A (en) * 1992-08-26 1994-01-04 Tektronix, Inc. Electrode configuration for channel confinement of plasma discharge in an electrode structure using an ionizable gaseous medium
KR100291903B1 (ko) * 1993-08-23 2001-09-17 김순택 전자관용산화물음극
KR100200661B1 (ko) * 1994-10-12 1999-06-15 손욱 전자관용 음극
KR960025915A (ko) * 1994-12-28 1996-07-20 윤종용 열전자 방출성 산화물 음극 및 그 제조방법

Also Published As

Publication number Publication date
NO963972D0 (no) 1996-09-20
EP0764963B1 (de) 2003-02-05
US6222308B1 (en) 2001-04-24
MY114799A (en) 2003-01-31
CA2186065A1 (en) 1997-03-22
CN1090378C (zh) 2002-09-04
US6033280A (en) 2000-03-07
KR970017768A (ko) 1997-04-30
DE69626077D1 (de) 2003-03-13
EP0764963A1 (de) 1997-03-26
JPH09147735A (ja) 1997-06-06
NO963972L (no) 1997-03-24
CN1159067A (zh) 1997-09-10
KR100249477B1 (ko) 2000-03-15

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8327 Change in the person/name/address of the patent owner

Owner name: PANASONIC CORP., KADOMA, OSAKA, JP

8339 Ceased/non-payment of the annual fee