NL7809846A - Elektronenbuiskathode, en werkwijze voor het vervaar- digen daarvan. - Google Patents

Elektronenbuiskathode, en werkwijze voor het vervaar- digen daarvan.

Info

Publication number
NL7809846A
NL7809846A NL7809846A NL7809846A NL7809846A NL 7809846 A NL7809846 A NL 7809846A NL 7809846 A NL7809846 A NL 7809846A NL 7809846 A NL7809846 A NL 7809846A NL 7809846 A NL7809846 A NL 7809846A
Authority
NL
Netherlands
Prior art keywords
cathod
manufacture
electron tube
electron
tube
Prior art date
Application number
NL7809846A
Other languages
English (en)
Original Assignee
Hitachi 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 Hitachi Ltd filed Critical Hitachi Ltd
Publication of NL7809846A publication Critical patent/NL7809846A/nl

Links

Classifications

    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01JELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J9/00Apparatus 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
    • H01J9/02Manufacture of electrodes or electrode systems
    • H01J9/04Manufacture of electrodes or electrode systems of thermionic cathodes
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01JELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J1/00Details 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
    • H01J1/02Main electrodes
    • H01J1/13Solid thermionic cathodes
    • H01J1/14Solid thermionic cathodes characterised by the material
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10TTECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00Stock material or miscellaneous articles
    • Y10T428/12All metal or with adjacent metals
    • Y10T428/12014All metal or with adjacent metals having metal particles
    • Y10T428/12028Composite; i.e., plural, adjacent, spatially distinct metal components [e.g., layers, etc.]
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10TTECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00Stock material or miscellaneous articles
    • Y10T428/12All metal or with adjacent metals
    • Y10T428/12493Composite; i.e., plural, adjacent, spatially distinct metal components [e.g., layers, joint, etc.]
    • Y10T428/12535Composite; i.e., plural, adjacent, spatially distinct metal components [e.g., layers, joint, etc.] with additional, spatially distinct nonmetal component
    • Y10T428/12611Oxide-containing component
    • Y10T428/12618Plural oxides
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10TTECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00Stock material or miscellaneous articles
    • Y10T428/12All metal or with adjacent metals
    • Y10T428/12493Composite; i.e., plural, adjacent, spatially distinct metal components [e.g., layers, joint, etc.]
    • Y10T428/12771Transition metal-base component
    • Y10T428/12861Group VIII or IB metal-base component
    • Y10T428/12875Platinum group metal-base component
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10TTECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00Stock material or miscellaneous articles
    • Y10T428/12All metal or with adjacent metals
    • Y10T428/12493Composite; i.e., plural, adjacent, spatially distinct metal components [e.g., layers, joint, etc.]
    • Y10T428/12771Transition metal-base component
    • Y10T428/12861Group VIII or IB metal-base component
    • Y10T428/12944Ni-base component

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Solid Thermionic Cathode (AREA)
  • Electrodes For Cathode-Ray Tubes (AREA)
NL7809846A 1977-09-30 1978-09-28 Elektronenbuiskathode, en werkwijze voor het vervaar- digen daarvan. NL7809846A (nl)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP52116842A JPS58813B2 (ja) 1977-09-30 1977-09-30 電子管陰極及びその製造方法

Publications (1)

Publication Number Publication Date
NL7809846A true NL7809846A (nl) 1979-04-03

Family

ID=14696967

Family Applications (1)

Application Number Title Priority Date Filing Date
NL7809846A NL7809846A (nl) 1977-09-30 1978-09-28 Elektronenbuiskathode, en werkwijze voor het vervaar- digen daarvan.

Country Status (8)

Country Link
US (1) US4260665A (nl)
JP (1) JPS58813B2 (nl)
CA (1) CA1101479A (nl)
DE (1) DE2842661C2 (nl)
FI (1) FI782957A (nl)
FR (1) FR2404912A1 (nl)
GB (1) GB2005468B (nl)
NL (1) NL7809846A (nl)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2445605A1 (fr) * 1978-12-27 1980-07-25 Thomson Csf Cathode a chauffage direct et tube electronique haute frequence comportant une telle cathode
JPS5596531A (en) * 1979-01-19 1980-07-22 Hitachi Ltd Directly heated cathode for electron tube
JPS55144631A (en) * 1979-04-28 1980-11-11 Hitachi Ltd Directly-heated cathode for electronic tube
JPS6228107A (ja) * 1985-07-31 1987-02-06 Kyocera Corp エンドミル
US4913973A (en) * 1985-09-13 1990-04-03 Engelhard Corporation Platinum-containing multilayer anode coating for low pH, high current density electrochemical process anodes
US4975656A (en) * 1989-03-31 1990-12-04 Litton Systems, Inc. Enhanced secondary electron emitter
JP3216579B2 (ja) * 1997-07-23 2001-10-09 関西日本電気株式会社 陰極部材の製造方法およびこの陰極部材を用いた電子管
KR20020068644A (ko) * 2001-02-21 2002-08-28 삼성에스디아이 주식회사 금속 음극 및 이를 구비한 방열형 음극구조체
EP2335265A4 (en) * 2008-09-12 2011-12-28 Vu1 Corp SYSTEM AND APPARATUS FOR CATHODOLUMINESCENT LIGHTING

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB698429A (en) * 1951-01-08 1953-10-14 English Electric Valve Co Ltd Improvements in or relating to thermionic cathodes for electronic discharge devices
FR1150153A (fr) * 1953-08-01 1958-01-08 France Etat Cathodes thermoémissives pour tubes électroniques à support de rhénium
US2833647A (en) * 1957-03-07 1958-05-06 Superior Tube Co Tungsten-zirconium-nickel cathodes
US3170772A (en) * 1961-01-05 1965-02-23 Tokyo Shibaura Electric Co Oxide coated cathodes for electron tubes
US3166836A (en) * 1962-05-24 1965-01-26 Rca Corp Manufacture of electron tube cathodes
US3374385A (en) * 1963-07-10 1968-03-19 Rca Corp Electron tube cathode with nickel-tungsten alloy base and thin nickel coating
US3240569A (en) * 1964-08-21 1966-03-15 Sylvania Electric Prod Cathode base structure
US3558966A (en) * 1967-03-01 1971-01-26 Semicon Associates Inc Directly heated dispenser cathode
JPS5952503B2 (ja) * 1975-11-07 1984-12-20 株式会社日立製作所 直熱形酸化物陰極用基体金属板
US4081713A (en) * 1976-01-28 1978-03-28 Hitachi, Ltd. Directly heated oxide cathode
JPS52108770A (en) * 1976-03-09 1977-09-12 Hitachi Ltd Manufacture for direct heat type cathode
JPS536560A (en) * 1976-07-07 1978-01-21 Hitachi Ltd Manufacture of cathode for direct heating type cathode ray tube

Also Published As

Publication number Publication date
DE2842661A1 (de) 1979-04-19
FR2404912B1 (nl) 1981-08-14
JPS58813B2 (ja) 1983-01-08
FI782957A (fi) 1979-03-31
DE2842661C2 (de) 1984-07-12
GB2005468A (en) 1979-04-19
JPS5451459A (en) 1979-04-23
US4260665A (en) 1981-04-07
GB2005468B (en) 1982-05-26
FR2404912A1 (fr) 1979-04-27
CA1101479A (en) 1981-05-19

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Legal Events

Date Code Title Description
A1A A request for search or an international-type search has been filed
BB A search report has been drawn up
A85 Still pending on 85-01-01
BC A request for examination has been filed
BV The patent application has lapsed