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AU2001276746A1 - Method for producing tantalum powder, tantalum powder and tantalum electrolytic capacitor - Google Patents

Method for producing tantalum powder, tantalum powder and tantalum electrolytic capacitor

Info

Publication number
AU2001276746A1
AU2001276746A1 AU2001276746A AU7674601A AU2001276746A1 AU 2001276746 A1 AU2001276746 A1 AU 2001276746A1 AU 2001276746 A AU2001276746 A AU 2001276746A AU 7674601 A AU7674601 A AU 7674601A AU 2001276746 A1 AU2001276746 A1 AU 2001276746A1
Authority
AU
Australia
Prior art keywords
tantalum
tantalum powder
powder
electrolytic capacitor
producing
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.)
Abandoned
Application number
AU2001276746A
Inventor
Tomoo Izumi
Yujiro Mizusaki
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.)
Cabot Supermetals KK
Original Assignee
Showa Cabot Supermetals 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 Cabot Supermetals KK filed Critical Showa Cabot Supermetals KK
Publication of AU2001276746A1 publication Critical patent/AU2001276746A1/en
Abandoned legal-status Critical Current

Links

Classifications

    • 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
    • B22F9/00—Making metallic powder or suspensions thereof
    • B22F9/16—Making metallic powder or suspensions thereof using chemical processes
    • B22F9/18—Making metallic powder or suspensions thereof using chemical processes with reduction of metal compounds
    • B22F9/24—Making metallic powder or suspensions thereof using chemical processes with reduction of metal compounds starting from liquid metal compounds, e.g. solutions
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22B—PRODUCTION AND REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
    • C22B34/00—Obtaining refractory metals
    • C22B34/20—Obtaining niobium, tantalum or vanadium
    • 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
    • C22C1/045—Alloys based on refractory metals
    • 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)
  • Chemical & Material Sciences (AREA)
  • Power Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Materials Engineering (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Manufacturing & Machinery (AREA)
  • Powder Metallurgy (AREA)
  • Manufacture Of Metal Powder And Suspensions Thereof (AREA)
AU2001276746A 2000-08-09 2001-08-07 Method for producing tantalum powder, tantalum powder and tantalum electrolytic capacitor Abandoned AU2001276746A1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP2000241612A JP4828016B2 (en) 2000-08-09 2000-08-09 Tantalum powder manufacturing method, tantalum powder and tantalum electrolytic capacitor
JP2000-241612 2000-08-09
PCT/JP2001/006768 WO2002011932A1 (en) 2000-08-09 2001-08-07 Method for producing tantalum powder, tantalum powder and tantalum electrolytic capacitor

Publications (1)

Publication Number Publication Date
AU2001276746A1 true AU2001276746A1 (en) 2002-02-18

Family

ID=18732777

Family Applications (1)

Application Number Title Priority Date Filing Date
AU2001276746A Abandoned AU2001276746A1 (en) 2000-08-09 2001-08-07 Method for producing tantalum powder, tantalum powder and tantalum electrolytic capacitor

Country Status (3)

Country Link
JP (1) JP4828016B2 (en)
AU (1) AU2001276746A1 (en)
WO (1) WO2002011932A1 (en)

Families Citing this family (21)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
RU2236930C1 (en) * 2003-06-24 2004-09-27 Институт химии и технологии редких элементов и минерального сырья им. И.В. Тананаева Кольского научного центра РАН Method of producing alloyed powder of rectifying metal
PT1505611E (en) 2003-07-22 2012-01-12 Starck H C Gmbh Method of making capacitors
JP4614269B2 (en) * 2003-11-13 2011-01-19 昭和電工株式会社 Solid electrolytic capacitor
DE102004020052B4 (en) * 2004-04-23 2008-03-06 H.C. Starck Gmbh Process for the preparation of niobium and tantalum powders
DE102004049039B4 (en) * 2004-10-08 2009-05-07 H.C. Starck Gmbh Process for the preparation of finely divided valve metal powder
CA2589109A1 (en) * 2004-12-09 2006-06-15 H.C. Starck Gmbh Production of valve metal powders
US20060269436A1 (en) 2005-05-31 2006-11-30 Cabot Corporation Process for heat treating metal powder and products made from the same
ATE491049T1 (en) * 2005-09-16 2010-12-15 Starck H C Gmbh REDUCTION PROCESS
JP5654213B2 (en) * 2008-11-27 2015-01-14 グローバルアドバンストメタルジャパン株式会社 Method for producing tantalum aggregated particles, tantalum pellet and capacitor
JP2010265520A (en) 2009-05-15 2010-11-25 Cabot Supermetal Kk Tantalum powdery mixture, method for producing the same, tantalum pellet, and method for producing the same
JP5697940B2 (en) * 2010-10-20 2015-04-08 グローバルアドバンストメタルジャパン株式会社 Tantalum powder, its production method and deoxygenation method
CN102554215B (en) * 2011-12-29 2014-01-29 中国兵器工业第五二研究所 Thermal treatment method for nanometer tantalum powder
JP6141318B2 (en) 2013-06-13 2017-06-07 石原ケミカル株式会社 Method for producing Ta powder and method for producing Ta granulated powder
CN103878364B (en) * 2014-04-23 2017-03-29 宁夏东方钽业股份有限公司 A kind of preparation method of the middle pressure tantalum powder for improving proof voltage energy
WO2016038711A1 (en) 2014-09-11 2016-03-17 石原ケミカル株式会社 Ta-Nb ALLOY POWDER AND ANODE ELEMENT FOR SOLID ELECTROLYTIC CAPACITOR
JP6561074B2 (en) 2014-11-03 2019-08-14 ニンシア オリエント タンタル インダストリー カンパニー、 リミテッド Tantalum powder and method for producing the same, and sintered anode produced from tantalum powder
KR101911871B1 (en) * 2016-12-23 2018-10-29 한국기초과학지원연구원 Method for Manufacturing Tantalum powder
CN111940745B (en) * 2019-12-30 2024-01-19 宁夏东方钽业股份有限公司 Manufacturing method of large loose metallurgical tantalum powder
WO2025260240A1 (en) 2024-06-18 2025-12-26 宁夏东方钽业股份有限公司 Potassium fluotantalate powder, method for reducing same with sodium to produce tantalum powder, tantalum powder obtained thereby, and use thereof
CN121156287A (en) * 2024-06-18 2025-12-19 宁夏东方钽业股份有限公司 Method for producing tantalum powder by sodium reduction of potassium fluorotantalate and the tantalum powder obtained
CN119811900A (en) * 2025-01-06 2025-04-11 中国振华(集团)新云电子元器件有限责任公司(国营第四三二六厂) A capacitor for reducing tantalum capacitance attenuation and a method for preparing the same

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS52107211A (en) * 1976-03-05 1977-09-08 Mitsui Mining & Smelting Co Production of tantalum metal powder
JPS61284501A (en) * 1985-06-10 1986-12-15 Showa Kiyabotsuto Suupaa Metal Kk Production of tantalum powder
US4684399A (en) * 1986-03-04 1987-08-04 Cabot Corporation Tantalum powder process
JPS62278210A (en) * 1986-03-04 1987-12-03 キヤボツト　コ−ポレ−シヨン Production of condenser grade tantalum powder
JPH0897096A (en) * 1994-09-28 1996-04-12 Sutaruku Buitetsuku Kk Tantalum powder and electrolytic capacitor using the same

Also Published As

Publication number Publication date
JP2002206105A (en) 2002-07-26
JP4828016B2 (en) 2011-11-30
WO2002011932A1 (en) 2002-02-14

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