EP2871666A4 - TUNGSTEN ALLOY PART, AND DISCHARGE LAMP, TRANSMISSION TUBE AND MAGNETRON COMPRISING THE SAME - Google Patents

TUNGSTEN ALLOY PART, AND DISCHARGE LAMP, TRANSMISSION TUBE AND MAGNETRON COMPRISING THE SAME

Info

Publication number
EP2871666A4
EP2871666A4 EP12880512.4A EP12880512A EP2871666A4 EP 2871666 A4 EP2871666 A4 EP 2871666A4 EP 12880512 A EP12880512 A EP 12880512A EP 2871666 A4 EP2871666 A4 EP 2871666A4
Authority
EP
European Patent Office
Prior art keywords
magnetron
same
discharge lamp
tungsten alloy
transmission tube
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.)
Granted
Application number
EP12880512.4A
Other languages
German (de)
French (fr)
Other versions
EP2871666A1 (en
EP2871666B1 (en
Inventor
Shinichi Yamamoto
Kayo Nakano
Hiromichi Horie
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.)
Toshiba Corp
Niterra Materials Co Ltd
Original Assignee
Toshiba Corp
Toshiba Materials 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 Toshiba Corp, Toshiba Materials Co Ltd filed Critical Toshiba Corp
Publication of EP2871666A1 publication Critical patent/EP2871666A1/en
Publication of EP2871666A4 publication Critical patent/EP2871666A4/en
Application granted granted Critical
Publication of EP2871666B1 publication Critical patent/EP2871666B1/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C32/00—Non-ferrous alloys containing at least 5% by weight but less than 50% by weight of oxides, carbides, borides, nitrides, silicides or other metal compounds, e.g. oxynitrides, sulfides, whether added as such or formed in situ
    • C22C32/0005—Non-ferrous alloys containing at least 5% by weight but less than 50% by weight of oxides, carbides, borides, nitrides, silicides or other metal compounds, e.g. oxynitrides, sulfides, whether added as such or formed in situ with at least one oxide and at least one of carbides, nitrides, borides or silicides as the main non-metallic constituents
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C27/00—Alloys based on rhenium or a refractory metal not mentioned in groups C22C14/00 or C22C16/00
    • C22C27/04—Alloys based on tungsten or molybdenum
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J23/00—Details of transit-time tubes of the types covered by group H01J25/00
    • H01J23/02—Electrodes; Magnetic control means; Screens
    • H01J23/04—Cathodes
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J23/00—Details of transit-time tubes of the types covered by group H01J25/00
    • H01J23/02—Electrodes; Magnetic control means; Screens
    • H01J23/04—Cathodes
    • H01J23/05—Cathodes having a cylindrical emissive surface, e.g. cathodes for magnetrons
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J25/00—Transit-time tubes, e.g. klystrons, travelling-wave tubes, magnetrons
    • H01J25/50—Magnetrons, i.e. tubes with a magnet system producing an H-field crossing the E-field
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J61/00—Gas-discharge or vapour-discharge lamps
    • H01J61/02—Details
    • H01J61/04—Electrodes; Screens; Shields
    • H01J61/06—Main electrodes
    • H01J61/073—Main electrodes for high-pressure discharge lamps
    • H01J61/0735—Main electrodes for high-pressure discharge lamps characterised by the material of the electrode

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Discharge Lamp (AREA)
  • Solid Thermionic Cathode (AREA)
  • Powder Metallurgy (AREA)
EP12880512.4A 2012-07-03 2012-12-21 Tungsten alloy part, and discharge lamp using the same Active EP2871666B1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP2012150019 2012-07-03
JP2012154977 2012-07-10
PCT/JP2012/083284 WO2014006779A1 (en) 2012-07-03 2012-12-21 Tungsten alloy part, and discharge lamp, transmitting tube and magnetron using same

Publications (3)

Publication Number Publication Date
EP2871666A1 EP2871666A1 (en) 2015-05-13
EP2871666A4 true EP2871666A4 (en) 2016-09-14
EP2871666B1 EP2871666B1 (en) 2022-09-07

Family

ID=49881558

Family Applications (1)

Application Number Title Priority Date Filing Date
EP12880512.4A Active EP2871666B1 (en) 2012-07-03 2012-12-21 Tungsten alloy part, and discharge lamp using the same

Country Status (4)

Country Link
EP (1) EP2871666B1 (en)
JP (1) JP5911576B2 (en)
CN (1) CN103975414B (en)
WO (1) WO2014006779A1 (en)

Families Citing this family (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104611618A (en) * 2015-01-03 2015-05-13 北京工业大学 High temperature-resistant tungsten alloy material
JP2016181358A (en) * 2015-03-23 2016-10-13 東芝ライテック株式会社 Discharge lamp
CN104789844A (en) * 2015-04-23 2015-07-22 江苏峰峰钨钼制品股份有限公司 Tungsten crucible and preparation method thereof
CN105441766B (en) * 2016-01-05 2018-01-09 河南科技大学 High-specific gravity tungsten alloy and preparation method thereof
CN106480347A (en) * 2016-12-05 2017-03-08 郑州丽福爱生物技术有限公司 A kind of high-strength aluminum alloy material and preparation method thereof
CN107217995A (en) * 2017-05-05 2017-09-29 胜利油田胜鑫防腐有限责任公司 A kind of tungsten-plated alloy anti-corrosion tubing and casing
AT16409U1 (en) 2017-05-23 2019-08-15 Plansee Se Cathode material
CN108149103B (en) * 2017-12-29 2019-11-05 中国科学院合肥物质科学研究院 A kind of potassium zirconium carbide codope tungsten alloy and preparation method thereof
CN109378266A (en) * 2018-09-21 2019-02-22 厦门虹鹭钨钼工业有限公司 A kind of environment-friendly type cathode material and preparation method thereof
JP6972383B2 (en) * 2018-11-19 2021-11-24 株式会社東芝 Cathode parts for discharge lamps and discharge lamps
CN112262454B (en) * 2019-02-18 2024-04-09 株式会社东芝 Cathode component for discharge lamp, discharge lamp, and method for manufacturing cathode component for discharge lamp
JP7043680B2 (en) * 2019-03-22 2022-03-29 株式会社東芝 Cathode parts for discharge lamps and discharge lamps
CN110284843B (en) * 2019-07-01 2021-06-22 山西中能企服环保科技有限公司 Anti-corrosion anti-sticking high-temperature-resistant oil casing connector and preparation method thereof
WO2021070459A1 (en) * 2019-10-09 2021-04-15 ウシオ電機株式会社 Short arc discharge lamp
CN117512419B (en) * 2023-10-25 2025-04-29 厦门虹鹭钨钼工业有限公司 Tungsten alloy wire and preparation method and use thereof, tungsten carbide alloy filament

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4090875A (en) * 1973-10-01 1978-05-23 The United States Of America As Represented By The Department Of Energy Ductile tungsten-nickel-alloy and method for manufacturing same
JP2002042643A (en) * 2000-07-28 2002-02-08 Toshiba Corp Method for blackening the inner surface of the anode of an electron tube
US20020024281A1 (en) * 2000-08-31 2002-02-28 New Japan Radio Co., Ltd. Cathode and process for producing the same
US20060220559A1 (en) * 2005-03-31 2006-10-05 Ushio Denki Kabushiki Kaisha High-load and high-intensity discharge lamp
JP2007113104A (en) * 2005-10-24 2007-05-10 Toshiba Corp Tungsten electrode material
US20100194415A1 (en) * 2007-09-27 2010-08-05 Kabushiki Kaisha Toshiba Probe needle material, probe needle and probe card each using the same, and inspection process
US20110243184A1 (en) * 2008-12-08 2011-10-06 A.L.M.T. Corp. Tungsten electrode material and thermionic emission current measuring device
EP2857534A1 (en) * 2012-05-29 2015-04-08 Kabushiki Kaisha Toshiba Tungsten alloy part, and discharge lamp, transmitting tube, and magnetron using same

Family Cites Families (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5339738B1 (en) * 1970-12-29 1978-10-23
JPH0499146A (en) * 1990-08-02 1992-03-31 Toshiba Corp Powder sintered material and its manufacture
BE1007595A3 (en) * 1993-10-07 1995-08-16 Philips Electronics Nv HIGH-metal halide discharge LAMP.
JPH11283516A (en) * 1998-03-31 1999-10-15 Toshiba Corp Electron emitting member for magnetron, cathode assembly for magnetron, and magnetron
CN1083492C (en) * 1999-09-17 2002-04-24 哈尔滨工业大学 Preparation of zirconium carbide particle-reinforced composite tungsten material
JP5086503B2 (en) 2001-02-02 2012-11-28 株式会社東芝 Method for manufacturing thorium tungsten wire
JP4105410B2 (en) * 2001-07-03 2008-06-25 本田技研工業株式会社 Multi-component carbonitride powder, method for producing the same, and sintered body using the same
JP4263888B2 (en) * 2002-08-30 2009-05-13 株式会社東芝 Tungsten rod for tube and tube using the same
JP4231380B2 (en) * 2003-10-16 2009-02-25 株式会社アライドマテリアル Light bulb and current conductor used therefor
US20070172378A1 (en) * 2004-01-30 2007-07-26 Nippon Tungsten Co., Ltd. Tungsten based sintered compact and method for production thereof
CN101167156A (en) * 2005-04-27 2008-04-23 皇家飞利浦电子股份有限公司 Discharge lamps having electrodes made of tungsten alloys containing less than 3% by weight rhenium
JP2008196041A (en) * 2007-02-16 2008-08-28 Tungaloy Corp Cemented carbide
JP4486163B1 (en) * 2008-12-08 2010-06-23 株式会社アライドマテリアル Tungsten electrode material and method for producing tungsten electrode material
JP5239828B2 (en) * 2008-12-22 2013-07-17 ウシオ電機株式会社 Discharge lamp
JP2011103240A (en) 2009-11-11 2011-05-26 Toshiba Materials Co Ltd Tungsten electrode and discharge lamp using the same

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4090875A (en) * 1973-10-01 1978-05-23 The United States Of America As Represented By The Department Of Energy Ductile tungsten-nickel-alloy and method for manufacturing same
JP2002042643A (en) * 2000-07-28 2002-02-08 Toshiba Corp Method for blackening the inner surface of the anode of an electron tube
US20020024281A1 (en) * 2000-08-31 2002-02-28 New Japan Radio Co., Ltd. Cathode and process for producing the same
US20060220559A1 (en) * 2005-03-31 2006-10-05 Ushio Denki Kabushiki Kaisha High-load and high-intensity discharge lamp
JP2007113104A (en) * 2005-10-24 2007-05-10 Toshiba Corp Tungsten electrode material
US20100194415A1 (en) * 2007-09-27 2010-08-05 Kabushiki Kaisha Toshiba Probe needle material, probe needle and probe card each using the same, and inspection process
US20110243184A1 (en) * 2008-12-08 2011-10-06 A.L.M.T. Corp. Tungsten electrode material and thermionic emission current measuring device
EP2857534A1 (en) * 2012-05-29 2015-04-08 Kabushiki Kaisha Toshiba Tungsten alloy part, and discharge lamp, transmitting tube, and magnetron using same

Non-Patent Citations (3)

* Cited by examiner, † Cited by third party
Title
"Tungsten - Werkstoffeigenschaften und Anwendungen Material properties and applications", INTERNET CITATION, 8 April 2009 (2009-04-08), pages 1 - 36, XP007908144, Retrieved from the Internet <URL:http://www.plansee.com/lib/Tungsten_DE.pdf> [retrieved on 20090408] *
KARL STAUDHAMMER: "Materials Compatibility and Corrosion Issues for Accelerator Transmutation of Waste CONTENTS", 2005, XP055254552, Retrieved from the Internet <URL:http://www.iaea.org/inis/collection/NCLCollectionStore/_Public/24/012/24012155.pdf> [retrieved on 20160302] *
See also references of WO2014006779A1 *

Also Published As

Publication number Publication date
CN103975414B (en) 2017-03-08
JP5911576B2 (en) 2016-04-27
EP2871666A1 (en) 2015-05-13
EP2871666B1 (en) 2022-09-07
CN103975414A (en) 2014-08-06
WO2014006779A1 (en) 2014-01-09
JPWO2014006779A1 (en) 2016-06-02

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