CN1061462C - 电子管的氧化物阴极 - Google Patents

电子管的氧化物阴极 Download PDF

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Publication number
CN1061462C
CN1061462C CN93121498A CN93121498A CN1061462C CN 1061462 C CN1061462 C CN 1061462C CN 93121498 A CN93121498 A CN 93121498A CN 93121498 A CN93121498 A CN 93121498A CN 1061462 C CN1061462 C CN 1061462C
Authority
CN
China
Prior art keywords
oxide
emission material
coated cathode
electron emission
oxide coated
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
CN93121498A
Other languages
English (en)
Chinese (zh)
Other versions
CN1099185A (zh
Inventor
崔钟书
孙景千
崔龟锡
朱圭楠
李相沅
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.)
Samsung SDI Co Ltd
Original Assignee
Samsung Electron Devices 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
Priority claimed from KR1019930021670A external-priority patent/KR950006911A/ko
Priority claimed from KR1019930022490A external-priority patent/KR100271484B1/ko
Application filed by Samsung Electron Devices Co Ltd filed Critical Samsung Electron Devices Co Ltd
Publication of CN1099185A publication Critical patent/CN1099185A/zh
Application granted granted Critical
Publication of CN1061462C publication Critical patent/CN1061462C/zh
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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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
    • H01J1/144—Solid thermionic cathodes characterised by the material with other metal oxides as an emissive material

Landscapes

  • Solid Thermionic Cathode (AREA)
  • Discharge Lamp (AREA)
CN93121498A 1993-08-20 1993-12-29 电子管的氧化物阴极 Expired - Fee Related CN1061462C (zh)

Applications Claiming Priority (12)

Application Number Priority Date Filing Date Title
KR16231/1993 1993-08-20
KR16231/93 1993-08-20
KR930016231 1993-08-20
KR1019930021670A KR950006911A (ko) 1993-08-20 1993-10-19 전자관용 산화물 음극
KR21670/93 1993-10-19
KR21670/1993 1993-10-19
KR930022124 1993-10-23
KR22124/1993 1993-10-23
KR22124/93 1993-10-23
KR1019930022490A KR100271484B1 (ko) 1993-10-23 1993-10-27 산화물 음극
KR22490/1993 1993-10-27
KR22490/93 1993-10-27

Publications (2)

Publication Number Publication Date
CN1099185A CN1099185A (zh) 1995-02-22
CN1061462C true CN1061462C (zh) 2001-01-31

Family

ID=27483006

Family Applications (1)

Application Number Title Priority Date Filing Date
CN93121498A Expired - Fee Related CN1061462C (zh) 1993-08-20 1993-12-29 电子管的氧化物阴极

Country Status (6)

Country Link
EP (1) EP0639848B1 (enExample)
JP (1) JPH0765692A (enExample)
CN (1) CN1061462C (enExample)
DE (1) DE69313845T2 (enExample)
SG (1) SG44617A1 (enExample)
TW (1) TW259877B (enExample)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100200661B1 (ko) * 1994-10-12 1999-06-15 손욱 전자관용 음극
DE50112861D1 (de) * 2000-09-19 2007-09-27 Philips Intellectual Property Oxidkathode
JP2007305438A (ja) * 2006-05-12 2007-11-22 New Japan Radio Co Ltd 酸化物陰極及びその製造方法並びにそれに用いる酸化物陰極用炭酸塩の製造方法

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4797593A (en) * 1985-07-19 1989-01-10 Mitsubishi Denki Kabushiki Kaisha Cathode for electron tube

Family Cites Families (2)

* 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
US1794298A (en) * 1926-09-21 1931-02-24 Gen Electric Thermionic cathode

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4797593A (en) * 1985-07-19 1989-01-10 Mitsubishi Denki Kabushiki Kaisha Cathode for electron tube

Also Published As

Publication number Publication date
SG44617A1 (en) 1997-12-19
EP0639848A1 (en) 1995-02-22
JPH0765692A (ja) 1995-03-10
TW259877B (enExample) 1995-10-11
DE69313845D1 (de) 1997-10-16
EP0639848B1 (en) 1997-09-10
CN1099185A (zh) 1995-02-22
DE69313845T2 (de) 1998-04-02

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GR01 Patent grant
C19 Lapse of patent right due to non-payment of the annual fee
CF01 Termination of patent right due to non-payment of annual fee