BR8701006A - Processo para producao de po de tantalo de grau de capacitor e processo para producao de po de colombio - Google Patents

Processo para producao de po de tantalo de grau de capacitor e processo para producao de po de colombio

Info

Publication number
BR8701006A
BR8701006A BR8701006A BR8701006A BR8701006A BR 8701006 A BR8701006 A BR 8701006A BR 8701006 A BR8701006 A BR 8701006A BR 8701006 A BR8701006 A BR 8701006A BR 8701006 A BR8701006 A BR 8701006A
Authority
BR
Brazil
Prior art keywords
production
dust
colombian
tantalum
capacitor degree
Prior art date
Application number
BR8701006A
Other languages
English (en)
Portuguese (pt)
Inventor
Roger M Bergman
Charles E Mosheim
Original Assignee
Cabot Corp
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 Cabot Corp filed Critical Cabot Corp
Publication of BR8701006A publication Critical patent/BR8701006A/pt

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
    • 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
    • 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)
  • Organic Chemistry (AREA)
  • Materials Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Metallurgy (AREA)
  • Manufacturing & Machinery (AREA)
  • Power Engineering (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)
BR8701006A 1986-03-04 1987-03-04 Processo para producao de po de tantalo de grau de capacitor e processo para producao de po de colombio BR8701006A (pt)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US83591586A 1986-03-04 1986-03-04
US06/913,159 US4684399A (en) 1986-03-04 1986-09-29 Tantalum powder process

Publications (1)

Publication Number Publication Date
BR8701006A true BR8701006A (pt) 1987-12-29

Family

ID=27125832

Family Applications (1)

Application Number Title Priority Date Filing Date
BR8701006A BR8701006A (pt) 1986-03-04 1987-03-04 Processo para producao de po de tantalo de grau de capacitor e processo para producao de po de colombio

Country Status (9)

Country Link
US (1) US4684399A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
AU (1) AU6964087A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
BE (1) BE1000560A3 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
BR (1) BR8701006A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
CA (1) CA1286896C (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
DE (1) DE3706853C3 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
FR (1) FR2595278B1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
GB (1) GB2188944B (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
NL (1) NL194167C (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)

Families Citing this family (62)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4740238A (en) * 1987-03-26 1988-04-26 Fansteel Inc. Platelet-containing tantalum powders
JPS6415334A (en) * 1987-07-09 1989-01-19 Toho Titanium Co Ltd Production of metal from metal halide
DE3820960A1 (de) * 1988-06-22 1989-12-28 Starck Hermann C Fa Feinkoernige hochreine erdsaeuremetallpulver, verfahren zu ihrer herstellung sowie deren verwendung
HK1001346A1 (en) * 1990-05-17 1998-06-12 Cabot Corporation Method of producing high surface area low metal impurity tantalum powder
US5234491A (en) * 1990-05-17 1993-08-10 Cabot Corporation Method of producing high surface area, low metal impurity
US5442978A (en) * 1994-05-19 1995-08-22 H. C. Starck, Inc. Tantalum production via a reduction of K2TAF7, with diluent salt, with reducing agent provided in a fast series of slug additions
US5954856A (en) * 1996-04-25 1999-09-21 Cabot Corporation Method of making tantalum metal powder with controlled size distribution and products made therefrom
US6165623A (en) 1996-11-07 2000-12-26 Cabot Corporation Niobium powders and niobium electrolytic capacitors
US6051044A (en) * 1998-05-04 2000-04-18 Cabot Corporation Nitrided niobium powders and niobium electrolytic capacitors
US6576038B1 (en) * 1998-05-22 2003-06-10 Cabot Corporation Method to agglomerate metal particles and metal particles having improved properties
DE19847012A1 (de) * 1998-10-13 2000-04-20 Starck H C Gmbh Co Kg Niobpulver und Verfahren zu dessen Herstellung
US6348113B1 (en) 1998-11-25 2002-02-19 Cabot Corporation High purity tantalum, products containing the same, and methods of making the same
RU2139168C1 (ru) * 1998-12-22 1999-10-10 Общество с ограниченной ответственностью "Ромекс" Способ получения тонкодисперсного порошка циркония
CN100381234C (zh) 1999-03-19 2008-04-16 卡伯特公司 通过研磨制备铌和其它金属粉末
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
US6563695B1 (en) * 1999-11-16 2003-05-13 Cabot Supermetals K.K. Powdered tantalum, niobium, production process thereof, and porous sintered body and solid electrolytic capacitor using the powdered tantalum or niobium
JP4049964B2 (ja) * 2000-02-08 2008-02-20 キャボットスーパーメタル株式会社 窒素含有金属粉末およびその製造方法ならびにそれを用いた多孔質焼結体および固体電解コンデンサー
US6643120B2 (en) * 2000-04-28 2003-11-04 Showa Denko Kabushiki Kaisha Niobium powder for capacitor, sintered body using the powder and capacitor using the same
JP4828016B2 (ja) * 2000-08-09 2011-11-30 キャボットスーパーメタル株式会社 タンタル粉末の製法、タンタル粉末およびタンタル電解コンデンサ
WO2002090024A1 (en) * 2001-05-04 2002-11-14 H.C. Starck, Inc. Metalothermic reduction of refractory metal oxides
CN1257998C (zh) 2001-01-11 2006-05-31 卡伯特公司 钽和铌的坯料及其制造方法
RU2189294C1 (ru) * 2001-05-23 2002-09-20 Институт химии и технологии редких элементов и минерального сырья им. И.В.Тананаева Кольского научного центра РАН Способ получения порошка вентильного металла
JP4187953B2 (ja) * 2001-08-15 2008-11-26 キャボットスーパーメタル株式会社 窒素含有金属粉末の製造方法
US7442227B2 (en) 2001-10-09 2008-10-28 Washington Unniversity Tightly agglomerated non-oxide particles and method for producing the same
RU2219269C1 (ru) * 2002-05-20 2003-12-20 Федеральное государственное унитарное предприятие Государственный научно-исследовательский и проектный институт редкометаллической промышленности "Гиредмет" Способ получения металлического тантала
RU2242329C2 (ru) * 2002-07-16 2004-12-20 Федеральное государственное унитарное предприятие "Всероссийский научно-исследовательский институт неорганических материалов им. акад. А.А. Бочвара" Способ получения порошка тантала
JP2004143477A (ja) * 2002-10-22 2004-05-20 Cabot Supermetal Kk ニオブ粉末およびその製造方法、並びにそれを用いた固体電解コンデンサ
BR0204587A (pt) 2002-11-04 2004-06-29 Cbmm Sa Processo de produção de pó de nióbio e/ou de tântalo de elevada área superficial
EP2455340A1 (en) 2003-05-19 2012-05-23 Cabot Corporation Valve metal sub-oxide powders and capacitors and sintered anode bodies made therefrom
JP2008504692A (ja) * 2004-06-28 2008-02-14 キャボット　コーポレイション 高キャパシタンスのタンタルフレークス及びその生産方法
RU2338628C2 (ru) * 2004-10-06 2008-11-20 Акционерное общество "Ульбинский металлургический завод" Способ получения порошка тантала
RU2347831C2 (ru) * 2004-10-06 2009-02-27 Акционерное общество "Ульбинский металлургический завод" Способ производства порошка тантала высокой химической чистоты и устройство для его осуществления
RU2349656C2 (ru) * 2004-10-06 2009-03-20 Акционерное общество "Ульбинский металлургический завод" Способ производства порошка тантала и устройство для его осуществления
JP4960880B2 (ja) * 2004-12-09 2012-06-27 ハー．ツェー．スタルク ゲゼルシャフト ミット ベシュレンクテル ハフツング バルブ金属粉末の製造
US20060177614A1 (en) * 2005-02-09 2006-08-10 Zhiyong Xia Polyester polymer and copolymer compositions containing metallic tantalum particles
RU2284248C1 (ru) * 2005-04-04 2006-09-27 Институт химии и технологии редких элементов и минерального сырья им. И.В. Тананаева Кольского научного центра Российской академии наук Способ получения порошка вентильного металла
DE502006008478D1 (de) * 2005-09-16 2011-01-20 Starck H C Gmbh Reduktionsverfahren
US8257463B2 (en) * 2006-01-23 2012-09-04 Avx Corporation Capacitor anode formed from flake powder
CN101374611B (zh) 2006-03-07 2015-04-08 卡伯特公司 制备变形金属制品的方法
US7511943B2 (en) * 2006-03-09 2009-03-31 Avx Corporation Wet electrolytic capacitor containing a cathode coating
US7480130B2 (en) 2006-03-09 2009-01-20 Avx Corporation Wet electrolytic capacitor
US20080105084A1 (en) * 2006-10-30 2008-05-08 Niotan, Inc. Method of production of tantalum powder with low impurity level
GB0622463D0 (en) * 2006-11-10 2006-12-20 Avx Ltd Powder modification in the manufacture of solid state capacitor anodes
US7460356B2 (en) 2007-03-20 2008-12-02 Avx Corporation Neutral electrolyte for a wet electrolytic capacitor
US7554792B2 (en) 2007-03-20 2009-06-30 Avx Corporation Cathode coating for a wet electrolytic capacitor
US7649730B2 (en) 2007-03-20 2010-01-19 Avx Corporation Wet electrolytic capacitor containing a plurality of thin powder-formed anodes
US20100085685A1 (en) * 2008-10-06 2010-04-08 Avx Corporation Capacitor Anode Formed From a Powder Containing Coarse Agglomerates and Fine Agglomerates
US20100101369A1 (en) * 2008-10-27 2010-04-29 Niotan, Inc. Method for Combination Solid State and Molten Salt Tantalum Reduction
US8430944B2 (en) * 2008-12-22 2013-04-30 Global Advanced Metals, Usa, Inc. Fine particle recovery methods for valve metal powders
CN101491834B (zh) * 2009-03-05 2012-06-20 宁夏东方钽业股份有限公司 钽粉的制备方法
CN102382993B (zh) * 2011-10-09 2013-08-28 广东致远新材料有限公司 一种靶材级超高纯钽金属的制取方法
CN102380619A (zh) * 2011-10-10 2012-03-21 肇庆多罗山蓝宝石稀有金属有限公司 一种降低钠还原法生产的钽粉中杂质含量的方法
US10245642B2 (en) * 2015-02-23 2019-04-02 Nanoscale Powders LLC Methods for producing metal powders
RU2647971C2 (ru) * 2015-10-20 2018-03-21 Акционерное общество "Ульбинский металлургический завод" Способ получения порошка тантала регулируемой крупности
EP3746240A2 (en) 2018-03-05 2020-12-09 Global Advanced Metals USA, Inc. Spherical tantalum powder, products containing the same, and methods of making the same
WO2019236160A2 (en) 2018-03-05 2019-12-12 Global Advanced Metals Usa, Inc. Powder metallurgy sputtering targets and methods of producing same
JP7432927B2 (ja) 2018-03-05 2024-02-19 グローバル アドバンスト メタルズ ユー．エス．エー．，インコーポレイティド 球状粉末含有陽極及びコンデンサ
US11289276B2 (en) 2018-10-30 2022-03-29 Global Advanced Metals Japan K.K. Porous metal foil and capacitor anodes made therefrom and methods of making same
KR102376746B1 (ko) * 2019-11-05 2022-03-21 한국생산기술연구원 금속열환원법을 이용한 탄탈륨의 제련 방법
KR102376778B1 (ko) * 2019-11-19 2022-03-21 한국생산기술연구원 탄탈륨 분말 제조를 위한 제련 장치
CN114749655B (zh) 2022-04-29 2023-10-24 宁夏东方钽业股份有限公司 高纯钽粉及其制备方法

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE546238A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) * 1955-03-28
NL252366A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) * 1958-06-13
GB881997A (en) * 1958-06-13 1961-11-08 Nat Res Corp Production of tantalum powder
JPS4325910Y1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) * 1968-03-28 1968-10-29
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
US4149876A (en) * 1978-06-06 1979-04-17 Fansteel Inc. Process for producing tantalum and columbium powder
US4445931A (en) * 1980-10-24 1984-05-01 The United States Of America As Represented By The Secretary Of The Interior Production of metal powder
US4356028A (en) * 1981-08-24 1982-10-26 Fansteel Inc. In situ phosphorus addition to tantalum
CA1202183A (en) * 1982-05-31 1986-03-25 Hiroshi Ishizuka Apparatus and method for producing purified refractory metal from a chloride thereof
DE3309891A1 (de) * 1983-03-18 1984-10-31 Hermann C. Starck Berlin, 1000 Berlin Verfahren zur herstellung von ventilmetallanoden fuer elektrolytkondensatoren
DE3330455A1 (de) * 1983-08-24 1985-03-14 GfE Gesellschaft für Elektrometallurgie mbH, 4000 Düsseldorf Verfahren zur herstellung von ventilmetallpulver fuer elektrolytkondensatoren und dergleichen
US4508563A (en) * 1984-03-19 1985-04-02 Sprague Electric Company Reducing the oxygen content of tantalum

Also Published As

Publication number Publication date
US4684399A (en) 1987-08-04
NL194167B (nl) 2001-04-02
GB2188944A (en) 1987-10-14
BE1000560A3 (fr) 1989-02-07
AU6964087A (en) 1987-09-10
GB8704945D0 (en) 1987-04-08
FR2595278B1 (fr) 1991-11-15
GB2188944B (en) 1991-02-06
NL8700522A (nl) 1987-10-01
FR2595278A1 (fr) 1987-09-11
DE3706853C3 (de) 1997-10-16
DE3706853A1 (de) 1987-09-10
NL194167C (nl) 2001-08-03
CA1286896C (en) 1991-07-30
DE3706853C2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1990-12-20

Similar Documents

Publication Publication Date Title
BR8701006A (pt) Processo para producao de po de tantalo de grau de capacitor e processo para producao de po de colombio
BR8704508A (pt) Processo para fabricacao de circuito integrado
BR8706496A (pt) Processo para preparacao de compostos e utilizacao
BR8703936A (pt) Processo para a preparacao de titanocenos e processo para fotopolimerizacao de compostos
BR8406993A (pt) Processo para producao de microcapsulas
IT8423028A1 (it) Processo per la produzione di dietilentriamina
BR8703345A (pt) Processo para producao de cloro
BR8506910A (pt) Processo para preparacao de poliais polimericos
BR8703937A (pt) Processo para a preparacao de titanocenos e processo para a fotopolimerizacao de compostos
BR8604182A (pt) Processo para producao de eteres
IT1167444B (it) Processo e dispositivo per la produzione di profilati
BR8600049A (pt) Capacitor plano de desacoplamento e processo de manufatura do mesmo
BR8405808A (pt) Capacitor de desacoplamento e processo de manufatura do mesmo
BR8906363A (pt) Processo para producao de tricloromonosilano
BR8405805A (pt) Capacitor de desacoplamento e processo de manufatura do mesmo
BR8701552A (pt) Processo para a producao de um po detergente e po detergente
BR8400732A (pt) Processo para o revestimento de placas de pedras sinteticas ou naturais
BR8108082A (pt) Capacitor e processo e aparelho para producao do mesmo
BR8506308A (pt) Processo para preparacao de polimero contendo poliamida-poliureia
BR8904840A (pt) Processo para producao de n-fosfonometilglicina
BR8802699A (pt) Processo para producao de composto silanico ou siloxanico
BR8302203A (pt) Processo para producao de epoxidos e epoxidos
BR8405810A (pt) Capacitor de desacoplamento e processo de manufatura do mesmo
BR8701757A (pt) Processo para a producao de um po detergente e po detergente
BR9006284A (pt) Processo para producao de norcanfano dicarbonitrilas

Legal Events

Date Code Title Description
B21A Patent or certificate of addition expired [chapter 21.1 patent gazette]

Free format text: PATENTE EXTINTA EM 04/03/2002