EP2801629A4 - TUNGSTEN ALLOY, TUNGSTEN ALLOY PART OBTAINED USING THE SAME, DISCHARGE LAMP, TRANSMISSION TUBE, AND MAGNETRON - Google Patents

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

Info

Publication number
EP2801629A4
EP2801629A4 EP12864044.8A EP12864044A EP2801629A4 EP 2801629 A4 EP2801629 A4 EP 2801629A4 EP 12864044 A EP12864044 A EP 12864044A EP 2801629 A4 EP2801629 A4 EP 2801629A4
Authority
EP
European Patent Office
Prior art keywords
tungsten alloy
magnetron
same
discharge lamp
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
EP12864044.8A
Other languages
German (de)
French (fr)
Other versions
EP2801629B1 (en
EP2801629A1 (en
Inventor
Kayo Nakano
Shinichi Yamamoto
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
Priority to EP20190116.2A priority Critical patent/EP3763839A1/en
Publication of EP2801629A1 publication Critical patent/EP2801629A1/en
Publication of EP2801629A4 publication Critical patent/EP2801629A4/en
Application granted granted Critical
Publication of EP2801629B1 publication Critical patent/EP2801629B1/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
    • C22C1/00—Making non-ferrous alloys
    • C22C1/04—Making non-ferrous alloys by powder metallurgy
    • C22C1/05—Mixtures of metal powder with non-metallic powder
    • C22C1/059—Making alloys comprising less than 5% by weight of dispersed reinforcing phases
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C1/00—Making non-ferrous alloys
    • C22C1/10—Alloys containing non-metals
    • 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
    • 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
    • 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
    • H01J1/146—Solid thermionic cathodes characterised by the material with metals or alloys as an emissive material
    • 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
    • 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)
  • Dispersion Chemistry (AREA)
  • Powder Metallurgy (AREA)
  • Solid Thermionic Cathode (AREA)
  • Manufacture And Refinement Of Metals (AREA)
EP12864044.8A 2012-01-07 2012-12-21 Tungsten alloy, tungsten alloy sintered body using same, discharge lamp, transmitting tube, and magnetron Active EP2801629B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP20190116.2A EP3763839A1 (en) 2012-01-07 2012-12-21 Tungsten alloy, tungsten alloy part using the same, discharge lamp, transmitting tube, and magnetron

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP2012001707 2012-01-07
JP2012150021 2012-07-03
PCT/JP2012/083257 WO2013103100A1 (en) 2012-01-07 2012-12-21 Tungsten alloy, tungsten alloy part using same, discharge lamp, transmission tube, and magnetron

Related Child Applications (2)

Application Number Title Priority Date Filing Date
EP20190116.2A Division-Into EP3763839A1 (en) 2012-01-07 2012-12-21 Tungsten alloy, tungsten alloy part using the same, discharge lamp, transmitting tube, and magnetron
EP20190116.2A Division EP3763839A1 (en) 2012-01-07 2012-12-21 Tungsten alloy, tungsten alloy part using the same, discharge lamp, transmitting tube, and magnetron

Publications (3)

Publication Number Publication Date
EP2801629A1 EP2801629A1 (en) 2014-11-12
EP2801629A4 true EP2801629A4 (en) 2015-12-02
EP2801629B1 EP2801629B1 (en) 2020-12-02

Family

ID=48745162

Family Applications (2)

Application Number Title Priority Date Filing Date
EP20190116.2A Pending EP3763839A1 (en) 2012-01-07 2012-12-21 Tungsten alloy, tungsten alloy part using the same, discharge lamp, transmitting tube, and magnetron
EP12864044.8A Active EP2801629B1 (en) 2012-01-07 2012-12-21 Tungsten alloy, tungsten alloy sintered body using same, discharge lamp, transmitting tube, and magnetron

Family Applications Before (1)

Application Number Title Priority Date Filing Date
EP20190116.2A Pending EP3763839A1 (en) 2012-01-07 2012-12-21 Tungsten alloy, tungsten alloy part using the same, discharge lamp, transmitting tube, and magnetron

Country Status (4)

Country Link
EP (2) EP3763839A1 (en)
JP (1) JP5881742B2 (en)
CN (1) CN103987864B (en)
WO (1) WO2013103100A1 (en)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104584185B (en) * 2012-07-31 2016-11-16 东芝高新材料公司 Use for discharge lamp negative electrode, the manufacture method of use for discharge lamp negative electrode, discharge lamp
JP6677875B2 (en) * 2015-03-23 2020-04-08 三菱マテリアル株式会社 Polycrystalline tungsten and tungsten alloy sintered body and method for producing the same
AT16409U1 (en) * 2017-05-23 2019-08-15 Plansee Se Cathode material
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
CN110656273A (en) * 2019-09-29 2020-01-07 中色（宁夏）东方集团有限公司 Method for preparing ferrotungsten alloy by carbon reduction
JP7294436B2 (en) * 2019-10-09 2023-06-20 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 (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3337337A (en) * 1965-12-16 1967-08-22 John W Weeton Method for producing fiber reinforced metallic composites
US20020024281A1 (en) * 2000-08-31 2002-02-28 New Japan Radio Co., Ltd. Cathode and process for producing the same
JP2005285676A (en) * 2004-03-30 2005-10-13 Nippon Tungsten Co Ltd Electrode for discharge lamp
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

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2680370B2 (en) * 1988-09-09 1997-11-19 株式会社東芝 Corrosion resistant material
JP5086503B2 (en) 2001-02-02 2012-11-28 株式会社東芝 Method for manufacturing thorium tungsten wire
DE10209426A1 (en) * 2002-03-05 2003-09-18 Patent Treuhand Ges Fuer Elektrische Gluehlampen Mbh Short-arc high pressure discharge lamp
US20060266158A1 (en) * 2003-11-19 2006-11-30 Nikko Materials Co., Ltd. High purity hafnium, target and thin film comprising said high purity hafnium, and method for producing high purity hafnium
JP4683896B2 (en) * 2004-10-05 2011-05-18 日本タングステン株式会社 Spot welding electrode
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
JP2007113104A (en) * 2005-10-24 2007-05-10 Toshiba Corp Tungsten electrode material
JP4916264B2 (en) * 2006-09-20 2012-04-11 日本タングステン株式会社 Electrodes for fusing welding
JP2008115063A (en) * 2006-11-06 2008-05-22 Mitsuhide Kawasaki High purity hafnium material and method of manufacturing the material by using solvent extraction method
JP4917055B2 (en) * 2008-02-08 2012-04-18 Ｊｘ日鉱日石金属株式会社 Method for producing high-purity zirconium or hafnium
US9502201B2 (en) * 2008-12-08 2016-11-22 A.L.M.T. Corp. Tungsten electrode material and thermionic emission current measuring device
JP5293172B2 (en) * 2008-12-26 2013-09-18 ウシオ電機株式会社 Discharge lamp
JP5716012B2 (en) * 2009-04-10 2015-05-13 インターモレキュラー，インコーポレーテッド Resistive switching memory device with improved switching characteristics
JP2011103240A (en) 2009-11-11 2011-05-26 Toshiba Materials Co Ltd Tungsten electrode and discharge lamp using the same

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3337337A (en) * 1965-12-16 1967-08-22 John W Weeton Method for producing fiber reinforced metallic composites
US20020024281A1 (en) * 2000-08-31 2002-02-28 New Japan Radio Co., Ltd. Cathode and process for producing the same
JP2005285676A (en) * 2004-03-30 2005-10-13 Nippon Tungsten Co Ltd Electrode for discharge lamp
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

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of WO2013103100A1 *

Also Published As

Publication number Publication date
EP2801629B1 (en) 2020-12-02
JPWO2013103100A1 (en) 2015-05-11
CN103987864B (en) 2017-03-08
EP2801629A1 (en) 2014-11-12
JP5881742B2 (en) 2016-03-09
WO2013103100A1 (en) 2013-07-11
EP3763839A1 (en) 2021-01-13
CN103987864A (en) 2014-08-13

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