CN103945965B - 钨细粉的制造方法 - Google Patents

钨细粉的制造方法 Download PDF

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Publication number
CN103945965B
CN103945965B CN201280057134.6A CN201280057134A CN103945965B CN 103945965 B CN103945965 B CN 103945965B CN 201280057134 A CN201280057134 A CN 201280057134A CN 103945965 B CN103945965 B CN 103945965B
Authority
CN
China
Prior art keywords
tungsten powder
tungsten
powder
fine
acid
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
CN201280057134.6A
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English (en)
Chinese (zh)
Other versions
CN103945965A (zh
Inventor
内藤一美
矢部正二
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.)
Resonac Holdings Corp
Original Assignee
Showa Denko KK
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 Showa Denko KK filed Critical Showa Denko KK
Publication of CN103945965A publication Critical patent/CN103945965A/zh
Application granted granted Critical
Publication of CN103945965B publication Critical patent/CN103945965B/zh
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
    • B22F9/00—Making metallic powder or suspensions thereof
    • B22F9/02—Making metallic powder or suspensions thereof using physical processes
    • B22F9/04—Making metallic powder or suspensions thereof using physical processes starting from solid material, e.g. by crushing, grinding or milling
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
    • B22F1/00—Metallic powder; Treatment of metallic powder, e.g. to facilitate working or to improve properties
    • B22F1/14—Treatment of metallic powder
    • 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
    • H01G—CAPACITORS; CAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES, LIGHT-SENSITIVE OR TEMPERATURE-SENSITIVE DEVICES OF THE ELECTROLYTIC TYPE
    • H01G9/00—Electrolytic capacitors, rectifiers, detectors, switching devices, light-sensitive or temperature-sensitive devices; Processes of their manufacture
    • H01G9/004—Details
    • H01G9/04—Electrodes or formation of dielectric layers thereon
    • H01G9/048—Electrodes or formation of dielectric layers thereon characterised by their structure
    • H01G9/052—Sintered electrodes
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01G—CAPACITORS; CAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES, LIGHT-SENSITIVE OR TEMPERATURE-SENSITIVE DEVICES OF THE ELECTROLYTIC TYPE
    • H01G9/00—Electrolytic capacitors, rectifiers, detectors, switching devices, light-sensitive or temperature-sensitive devices; Processes of their manufacture
    • H01G9/004—Details
    • H01G9/04—Electrodes or formation of dielectric layers thereon
    • H01G9/048—Electrodes or formation of dielectric layers thereon characterised by their structure
    • H01G9/052—Sintered electrodes
    • H01G9/0525—Powder therefor
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
    • B22F1/00—Metallic powder; Treatment of metallic powder, e.g. to facilitate working or to improve properties
    • B22F1/05—Metallic powder characterised by the size or surface area of the particles
    • B22F1/054—Nanosized particles
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
    • B22F2998/00—Supplementary information concerning processes or compositions relating to powder metallurgy
    • B22F2998/10—Processes characterised by the sequence of their steps

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Chemical & Material Sciences (AREA)
  • Materials Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Powder Metallurgy (AREA)
  • Manufacture Of Metal Powder And Suspensions Thereof (AREA)
CN201280057134.6A 2011-11-29 2012-08-29 钨细粉的制造方法 Expired - Fee Related CN103945965B (zh)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP2011259926 2011-11-29
JP2011-259926 2011-11-29
PCT/JP2012/071761 WO2013080617A1 (ja) 2011-11-29 2012-08-29 タングステン細粉の製造方法

Publications (2)

Publication Number Publication Date
CN103945965A CN103945965A (zh) 2014-07-23
CN103945965B true CN103945965B (zh) 2016-05-18

Family

ID=48535094

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201280057134.6A Expired - Fee Related CN103945965B (zh) 2011-11-29 2012-08-29 钨细粉的制造方法

Country Status (5)

Country Link
US (1) US20140294663A1 (enExample)
EP (1) EP2786819A4 (enExample)
JP (2) JP5222438B1 (enExample)
CN (1) CN103945965B (enExample)
WO (1) WO2013080617A1 (enExample)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103945965B (zh) * 2011-11-29 2016-05-18 昭和电工株式会社 钨细粉的制造方法
CN104205270B (zh) * 2012-05-18 2017-03-08 昭和电工株式会社 电容器元件的制造方法
JP5779728B2 (ja) 2012-12-17 2015-09-16 昭和電工株式会社 タングステン微粉の製造方法
US9959980B2 (en) * 2014-12-09 2018-05-01 Showa Denko K.K. Solid electrolytic capacitor element and method for manufacturing solid electrolytic capacitor element
RU2759551C1 (ru) * 2021-04-05 2021-11-15 Общество с ограниченной ответственностью "Вириал" (ООО "Вириал") Способ получения гидрированного порошка пластичного металла или сплава
CN119328151A (zh) * 2024-11-18 2025-01-21 西安建筑科技大学 一种用于制备球形钼粉的高能球磨微氧化-氨剥离方法

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1223695A (zh) * 1996-04-25 1999-07-21 卡伯特公司 制造尺寸分布可控的钽金属粉末的方法及用该法制成的产物
JP2003272959A (ja) * 2002-03-15 2003-09-26 Sanyo Electric Co Ltd コンデンサ
CN1487124A (zh) * 2002-08-30 2004-04-07 富士通株式会社 通过阳极化镁材料制作氧化膜的方法
WO2005099936A1 (ja) * 2004-04-15 2005-10-27 Jfe Mineral Company, Ltd. タンタル粉末およびこれを用いた固体電解コンデンサ
JP2006299385A (ja) * 2005-04-25 2006-11-02 Noritake Co Ltd 白金粉末、その製造方法、および圧電セラミック材用白金ペースト

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5211752A (en) * 1975-07-17 1977-01-28 Toshiba Corp Method of manufacturing cathodes for electron tubes
JPS63293104A (ja) * 1987-05-25 1988-11-30 Nippon Steel Corp 銅微粉末の製造方法
US5993513A (en) * 1996-04-05 1999-11-30 Cabot Corporation Method for controlling the oxygen content in valve metal materials
JP4274857B2 (ja) 2002-07-26 2009-06-10 三洋電機株式会社 電解コンデンサの製造方法
TWI225656B (en) 2002-07-26 2004-12-21 Sanyo Electric Co Electrolytic capacitor and a fabrication method therefor
JP4368349B2 (ja) 2002-12-13 2009-11-18 三洋電機株式会社 固体電解コンデンサ及びその製造方法
US7875347B2 (en) * 2003-12-29 2011-01-25 General Electric Company Composite coatings for groundwall insulation, method of manufacture thereof and articles derived therefrom
JP2005325448A (ja) * 2004-04-15 2005-11-24 Jfe Mineral Co Ltd タンタル粉末およびこれを用いた固体電解コンデンサ
JP4921806B2 (ja) * 2006-02-13 2012-04-25 住友金属鉱山株式会社 タングステン超微粉及びその製造方法
CN101983804B (zh) * 2010-12-03 2012-07-04 中南大学 近球形钨粉的制备方法
EP2656947B1 (en) * 2010-12-24 2019-08-21 Showa Denko K.K. Tungsten powder, positive electrode body for capacitors, and electrolytic capacitor
US9669460B2 (en) * 2011-11-15 2017-06-06 Showa Denko K.K. Method for producing fine tungsten powder
CN103945965B (zh) * 2011-11-29 2016-05-18 昭和电工株式会社 钨细粉的制造方法

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1223695A (zh) * 1996-04-25 1999-07-21 卡伯特公司 制造尺寸分布可控的钽金属粉末的方法及用该法制成的产物
JP2003272959A (ja) * 2002-03-15 2003-09-26 Sanyo Electric Co Ltd コンデンサ
CN1487124A (zh) * 2002-08-30 2004-04-07 富士通株式会社 通过阳极化镁材料制作氧化膜的方法
WO2005099936A1 (ja) * 2004-04-15 2005-10-27 Jfe Mineral Company, Ltd. タンタル粉末およびこれを用いた固体電解コンデンサ
JP2006299385A (ja) * 2005-04-25 2006-11-02 Noritake Co Ltd 白金粉末、その製造方法、および圧電セラミック材用白金ペースト

Also Published As

Publication number Publication date
WO2013080617A1 (ja) 2013-06-06
EP2786819A4 (en) 2015-09-16
EP2786819A1 (en) 2014-10-08
JP5731559B2 (ja) 2015-06-10
CN103945965A (zh) 2014-07-23
JPWO2013080617A1 (ja) 2015-04-27
JP2013136844A (ja) 2013-07-11
JP5222438B1 (ja) 2013-06-26
US20140294663A1 (en) 2014-10-02

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PB01 Publication
C10 Entry into substantive examination
SE01 Entry into force of request for substantive examination
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GR01 Patent grant
CF01 Termination of patent right due to non-payment of annual fee
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Granted publication date: 20160518

Termination date: 20180829