JPH0238501A - 高純度土酸金属微粉末、及びその製造法並びに使用法 - Google Patents

高純度土酸金属微粉末、及びその製造法並びに使用法

Info

Publication number
JPH0238501A
JPH0238501A JP1154788A JP15478889A JPH0238501A JP H0238501 A JPH0238501 A JP H0238501A JP 1154788 A JP1154788 A JP 1154788A JP 15478889 A JP15478889 A JP 15478889A JP H0238501 A JPH0238501 A JP H0238501A
Authority
JP
Japan
Prior art keywords
earth
acid metal
reaction
powder
alkali metal
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.)
Pending
Application number
JP1154788A
Other languages
English (en)
Japanese (ja)
Inventor
Dieter Behrens
デイーター・ベーレンス
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.)
HC Starck GmbH
Original Assignee
HC Starck GmbH
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 HC Starck GmbH filed Critical HC Starck GmbH
Publication of JPH0238501A publication Critical patent/JPH0238501A/ja
Pending legal-status Critical Current

Links

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
    • B22F9/16—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
    • 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
    • B22F9/20—Making metallic powder or suspensions thereof using chemical processes with reduction of metal compounds starting from solid metal compounds
    • 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
    • C22B34/24—Obtaining niobium or tantalum
    • 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
    • C22B5/00—General methods of reducing to metals
    • C22B5/02—Dry methods smelting of sulfides or formation of mattes
    • C22B5/04—Dry methods smelting of sulfides or formation of mattes by aluminium, other metals or silicon

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Manufacturing & Machinery (AREA)
  • Power Engineering (AREA)
  • Materials Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Manufacture Of Metal Powder And Suspensions Thereof (AREA)
  • Powder Metallurgy (AREA)
  • Manufacture And Refinement Of Metals (AREA)
JP1154788A 1988-06-22 1989-06-19 高純度土酸金属微粉末、及びその製造法並びに使用法 Pending JPH0238501A (ja)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE3820960A DE3820960A1 (de) 1988-06-22 1988-06-22 Feinkoernige hochreine erdsaeuremetallpulver, verfahren zu ihrer herstellung sowie deren verwendung
DE3820960.8 1988-06-22

Publications (1)

Publication Number Publication Date
JPH0238501A true JPH0238501A (ja) 1990-02-07

Family

ID=6356943

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1154788A Pending JPH0238501A (ja) 1988-06-22 1989-06-19 高純度土酸金属微粉末、及びその製造法並びに使用法

Country Status (5)

Country Link
US (1) US4954169A (enExample)
EP (1) EP0347668B1 (enExample)
JP (1) JPH0238501A (enExample)
KR (1) KR970001559B1 (enExample)
DE (2) DE3820960A1 (enExample)

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2001307963A (ja) * 2000-04-21 2001-11-02 Showa Denko Kk コンデンサ用ニオブ粉、それを用いた焼結体及びそれを用いたコンデンサ
US6689187B2 (en) 1999-02-03 2004-02-10 Cabot Supermetals K.K. Tantalum powder for capacitors
KR100522066B1 (ko) * 1997-02-19 2005-10-18 하.체. 스타르크 게엠베하 탄탈 분말, 그의 제조 방법 및 그로부터 얻어진 소결 양극
JP2007533854A (ja) * 2004-04-23 2007-11-22 ハー ツェー シュタルク ゲゼルシャフト ミット ベシュレンクテル ハフツング ウント コンパニー コマンデイトゲゼルシヤフト ニオブ粉末及びタンタル粉末の製造方法
JP2010168650A (ja) * 2008-12-22 2010-08-05 Cabot Corp バルブ金属粉末のための微粒子回収法
JP2012533685A (ja) * 2009-07-17 2012-12-27 ボストン・エレクトロニツク・マテリアルズ・エルエルシー 金属粉末および合金の製造および用途

Families Citing this family (40)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5211741A (en) * 1987-11-30 1993-05-18 Cabot Corporation Flaked tantalum powder
KR960014946B1 (ko) * 1988-12-22 1996-10-21 더 유니버어스티 오브 웨스트런 오스트레일리아 금속, 합금, 세라믹 재료의 제조 방법
US5242481A (en) * 1989-06-26 1993-09-07 Cabot Corporation Method of making powders and products of tantalum and niobium
US5234491A (en) * 1990-05-17 1993-08-10 Cabot Corporation Method of producing high surface area, low metal impurity
US5328657A (en) * 1992-02-26 1994-07-12 Drexel University Method of molding metal particles
DE4214722C2 (de) * 1992-05-04 1994-08-25 Starck H C Gmbh Co Kg Feinteilige Metallpulver
JPH0897096A (ja) * 1994-09-28 1996-04-12 Sutaruku Buitetsuku Kk タンタル粉末及びそれを用いた電解コンデンサ
US6165623A (en) * 1996-11-07 2000-12-26 Cabot Corporation Niobium powders and niobium electrolytic capacitors
PT964936E (pt) * 1997-02-19 2002-03-28 Starck H C Gmbh Po de tantalo seu processo de producao e anodos sinterizados produzidos a partir deste po
JP3254163B2 (ja) 1997-02-28 2002-02-04 昭和電工株式会社 コンデンサ
US6051044A (en) 1998-05-04 2000-04-18 Cabot Corporation Nitrided niobium powders and niobium electrolytic capacitors
EP2055412B1 (en) * 1998-05-06 2012-08-22 H.C. Starck GmbH Niobium or tantalum based powder produced by the reduction of the oxides with a gaseous metal
US6576038B1 (en) * 1998-05-22 2003-06-10 Cabot Corporation Method to agglomerate metal particles and metal particles having improved properties
US6323055B1 (en) * 1998-05-27 2001-11-27 The Alta Group, Inc. Tantalum sputtering target and method of manufacture
DE69938056T2 (de) 1998-08-05 2009-01-15 Showa Denko K.K. Niob-sinter für kondensator und verfahren zu seiner herstellung
ATE343844T1 (de) 1998-12-15 2006-11-15 Showa Denko Kk Niobkondensator und verfahren zu dessen herstellung
US6387150B1 (en) * 1999-02-16 2002-05-14 Showa Denko K.K. Powdered niobium, sintered body thereof, capacitor using the sintered body and production method of the capacitor
TW460883B (en) * 1999-02-16 2001-10-21 Showa Denko Kk Niobium powder, niobium sintered body, capacitor comprised of the sintered body, and method for manufacturing the capacitor
US6605129B1 (en) * 1999-02-25 2003-08-12 Showa Denko Kabushiki Kaisha Powdered niobium, sintered body thereof, capacitor using the sintered body and production method of the capacitor
IL145498A (en) 1999-03-19 2005-05-17 Cabot Corp Making niobium and other metal powders by milling
RU2164194C2 (ru) * 1999-05-11 2001-03-20 Институт химии и технологии редких элементов и минерального сырья им. И.В. Тананаева Кольского научного центра РАН Способ получения порошка вентильного металла
US6375704B1 (en) † 1999-05-12 2002-04-23 Cabot Corporation High capacitance niobium powders and electrolytic capacitor anodes
TW479262B (en) 1999-06-09 2002-03-11 Showa Denko Kk Electrode material for capacitor and capacitor using the same
US6960237B2 (en) * 1999-07-15 2005-11-01 Showa Denko Kabushiki Kaisha Niobium powder, sintered body thereof and capacitor using the same
US6660057B1 (en) * 1999-10-01 2003-12-09 Showa Denko K.K. Powder composition for capacitor, sintered body using the composition and capacitor using the sintered body
EP1156501B1 (en) * 1999-10-01 2005-12-07 Showa Denko K.K. Capacitor powder composition, sintered body made of the composition, and capacitor made of the sintered body
US6423110B1 (en) 1999-12-08 2002-07-23 Showa Denko K.K. Powder composition for capacitor and sintered body using the composition, and capacitor using the sintered body
JP4261105B2 (ja) * 2000-03-01 2009-04-30 キャボット コーポレイション 窒化バルブ金属およびその製造方法
US6540810B2 (en) 2000-04-21 2003-04-01 Showa Denko Kabushiki Kaisha Niobium powder for capacitor, sintered body using the powder and capacitor using the same
AU2001248826A1 (en) 2000-04-24 2001-11-07 Showa Denko K K Niobium powder, sintered compact thereof and capacitor
US6849104B2 (en) * 2000-10-10 2005-02-01 H. C. Starck Inc. Metalothermic reduction of refractory metal oxides
JP2002134368A (ja) * 2000-10-26 2002-05-10 Showa Denko Kk コンデンサ用粉体、焼結体及びその焼結体を用いたコンデンサ
JP2002217070A (ja) * 2001-01-22 2002-08-02 Kawatetsu Mining Co Ltd ニオブ粉末及び固体電解コンデンサ用アノード
EP1371074A4 (en) * 2001-03-16 2007-04-18 Showa Denko Kk NIOBIUM FOR CAPACITOR AND CAPACITOR WITH FRESH BODY IN NIOBIUM
CN1853830B (zh) * 2001-05-04 2012-02-22 H·C·施塔克公司 一种高纯钽粉末以及含有该粉末的丸粒和电容器
WO2004108989A1 (ja) * 2003-06-04 2004-12-16 Mitsubishi Denki Kabushiki Kaisha 放電表面処理用電極及びその製造方法並びにその保管方法
US7354472B2 (en) * 2004-06-21 2008-04-08 H.C. Starck Inc. Metalothermic reduction of refractory metal oxides
US20080105084A1 (en) * 2006-10-30 2008-05-08 Niotan, Inc. Method of production of tantalum powder with low impurity level
RU2348717C1 (ru) * 2007-10-09 2009-03-10 Федеральное государственное унитарное предприятие "Государственный научно-исследовательский и проектный институт редкометаллической промышленности "Гиредмет" Способ получения тантала
EP2737965A1 (en) * 2012-12-01 2014-06-04 Alstom Technology Ltd Method for manufacturing a metallic component by additive laser manufacturing

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5031554A (enExample) * 1973-07-20 1975-03-28
JPS60121207A (ja) * 1983-12-01 1985-06-28 Toyo Soda Mfg Co Ltd 超微粒子の製造方法
JPS6256506A (ja) * 1985-09-04 1987-03-12 Kawasaki Steel Corp 金属タンタル粉末の製造方法
JPS6293302A (ja) * 1985-10-21 1987-04-28 Akinobu Yoshizawa 超微粒子を経由する金属の製造方法

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1148333B (de) * 1962-06-13 1963-05-09 Siemens Ag Verfahren zur Herstellung von Tantalsinteranodenkoerpern fuer elektrolytische Kondensatoren
US3992192A (en) * 1974-07-01 1976-11-16 Haig Vartanian Metal powder production
DE2517180C3 (de) * 1975-04-18 1979-04-19 Fa. Hermann C. Starck Berlin, 1000 Berlin Verfahren zur kontinuierlichen Herstellung von feinem hochkapazitiven Erdsäuremetallpulver für Elektrolytkondensatoren
US4141720A (en) * 1978-05-16 1979-02-27 Nrc, Inc. Tantalum powder reclaiming
DE3130392C2 (de) * 1981-07-31 1985-10-17 Hermann C. Starck Berlin, 1000 Berlin Verfahren zur Herstellung reiner agglomerierter Ventilmetallpulver für Elektrolytkondensatoren, deren Verwendung und Verfahren zur Herstellung von Sinteranoden
DE3330455A1 (de) * 1983-08-24 1985-03-14 GfE Gesellschaft für Elektrometallurgie mbH, 4000 Düsseldorf Verfahren zur herstellung von ventilmetallpulver fuer elektrolytkondensatoren und dergleichen
US4687632A (en) * 1984-05-11 1987-08-18 Hurd Frank W Metal or alloy forming reduction process and apparatus
US4684399A (en) * 1986-03-04 1987-08-04 Cabot Corporation Tantalum powder process
AT389899B (de) * 1986-08-19 1990-02-12 Treibacher Chemische Werke Ag Verfahren zur herstellung von se-metallen und se-haltigen legierungen
US4740238A (en) * 1987-03-26 1988-04-26 Fansteel Inc. Platelet-containing tantalum powders

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5031554A (enExample) * 1973-07-20 1975-03-28
JPS60121207A (ja) * 1983-12-01 1985-06-28 Toyo Soda Mfg Co Ltd 超微粒子の製造方法
JPS6256506A (ja) * 1985-09-04 1987-03-12 Kawasaki Steel Corp 金属タンタル粉末の製造方法
JPS6293302A (ja) * 1985-10-21 1987-04-28 Akinobu Yoshizawa 超微粒子を経由する金属の製造方法

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100522066B1 (ko) * 1997-02-19 2005-10-18 하.체. 스타르크 게엠베하 탄탈 분말, 그의 제조 방법 및 그로부터 얻어진 소결 양극
JP2007335883A (ja) * 1997-02-19 2007-12-27 Hc Starck Gmbh タンタル粉末、その製造法およびそれから得られるコンデンサー用焼結アノード
US6689187B2 (en) 1999-02-03 2004-02-10 Cabot Supermetals K.K. Tantalum powder for capacitors
JP2001307963A (ja) * 2000-04-21 2001-11-02 Showa Denko Kk コンデンサ用ニオブ粉、それを用いた焼結体及びそれを用いたコンデンサ
JP2007533854A (ja) * 2004-04-23 2007-11-22 ハー ツェー シュタルク ゲゼルシャフト ミット ベシュレンクテル ハフツング ウント コンパニー コマンデイトゲゼルシヤフト ニオブ粉末及びタンタル粉末の製造方法
JP2010168650A (ja) * 2008-12-22 2010-08-05 Cabot Corp バルブ金属粉末のための微粒子回収法
JP2012533685A (ja) * 2009-07-17 2012-12-27 ボストン・エレクトロニツク・マテリアルズ・エルエルシー 金属粉末および合金の製造および用途
JP2016191148A (ja) * 2009-07-17 2016-11-10 ボストン・エレクトロニツク・マテリアルズ・エルエルシー 金属粉末および合金の製造および用途

Also Published As

Publication number Publication date
EP0347668A2 (de) 1989-12-27
US4954169A (en) 1990-09-04
KR970001559B1 (ko) 1997-02-11
EP0347668A3 (de) 1991-03-27
EP0347668B1 (de) 1993-03-10
KR910000276A (ko) 1991-01-29
DE3820960A1 (de) 1989-12-28
DE3820960C2 (enExample) 1993-01-07
DE58903697D1 (de) 1993-04-15

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