IL145498A - Making niobium and other metal powders by milling - Google Patents

Making niobium and other metal powders by milling

Info

Publication number
IL145498A
IL145498A IL14549800A IL14549800A IL145498A IL 145498 A IL145498 A IL 145498A IL 14549800 A IL14549800 A IL 14549800A IL 14549800 A IL14549800 A IL 14549800A IL 145498 A IL145498 A IL 145498A
Authority
IL
Israel
Prior art keywords
milling
metal powders
making niobium
niobium
making
Prior art date
Application number
IL14549800A
Other languages
English (en)
Other versions
IL145498A0 (en
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 IL145498A0 publication Critical patent/IL145498A0/xx
Publication of IL145498A publication Critical patent/IL145498A/xx

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
    • B22F1/00—Metallic powder; Treatment of metallic powder, e.g. to facilitate working or to improve properties
    • 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
    • B22F1/06—Metallic powder characterised by the shape of the particles
    • B22F1/068—Flake-like 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
    • B22F1/00—Metallic powder; Treatment of metallic powder, e.g. to facilitate working or to improve properties
    • B22F1/14—Treatment of metallic powder
    • B22F1/142—Thermal or thermo-mechanical treatment
    • 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
    • B22F1/145—Chemical treatment, e.g. passivation or decarburisation
    • 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
    • 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
    • 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
    • B22F2009/043—Making metallic powder or suspensions thereof using physical processes starting from solid material, e.g. by crushing, grinding or milling by ball 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
    • B22F2998/00—Supplementary information concerning processes or compositions relating to powder metallurgy
    • 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
    • B22F2999/00—Aspects linked to processes or compositions used in powder metallurgy

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Nanotechnology (AREA)
  • Mechanical Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Materials Engineering (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Manufacture Of Metal Powder And Suspensions Thereof (AREA)
  • Powder Metallurgy (AREA)
  • Crushing And Grinding (AREA)
IL14549800A 1999-03-19 2000-03-16 Making niobium and other metal powders by milling IL145498A (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US12513599P 1999-03-19 1999-03-19
US18440900P 2000-02-23 2000-02-23
PCT/US2000/007051 WO2000056486A1 (en) 1999-03-19 2000-03-16 Making niobium and other metal powders by milling

Publications (2)

Publication Number Publication Date
IL145498A0 IL145498A0 (en) 2002-06-30
IL145498A true IL145498A (en) 2005-05-17

Family

ID=26823294

Family Applications (1)

Application Number Title Priority Date Filing Date
IL14549800A IL145498A (en) 1999-03-19 2000-03-16 Making niobium and other metal powders by milling

Country Status (14)

Country Link
US (3) US6402066B1 (xx)
EP (1) EP1171254A1 (xx)
JP (1) JP2004500480A (xx)
KR (1) KR20010113845A (xx)
CN (1) CN100381234C (xx)
AU (1) AU768524B2 (xx)
BR (1) BR0009107A (xx)
CA (1) CA2367907A1 (xx)
CZ (1) CZ20013359A3 (xx)
HK (1) HK1045276A1 (xx)
IL (1) IL145498A (xx)
MX (1) MXPA01009477A (xx)
RU (1) RU2243856C2 (xx)
WO (1) WO2000056486A1 (xx)

Families Citing this family (60)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6576038B1 (en) * 1998-05-22 2003-06-10 Cabot Corporation Method to agglomerate metal particles and metal particles having improved properties
WO2000056486A1 (en) 1999-03-19 2000-09-28 Cabot Corporation Making niobium and other metal powders by milling
US6375704B1 (en) * 1999-05-12 2002-04-23 Cabot Corporation High capacitance niobium powders and electrolytic capacitor anodes
EP1275125B1 (en) * 2000-04-21 2007-02-21 Showa Denko K.K. Niobium sintered body, production method therefor, and capacitor using the same
DE10030387A1 (de) * 2000-06-21 2002-01-03 Starck H C Gmbh Co Kg Kondensatorpulver
EP2221840B1 (en) * 2000-08-10 2013-10-09 Showa Denko K.K. Niobium powder, sintered body and capacitor using the body
US6652619B2 (en) 2000-08-10 2003-11-25 Showa Denko K.K. Niobium powder, sintered body thereof, and capacitor using the same
JP2004513514A (ja) * 2000-11-06 2004-04-30 キャボット　コーポレイション 酸素を低減した改質バルブ金属酸化物
KR100812687B1 (ko) * 2000-11-30 2008-03-13 쇼와 덴코 가부시키가이샤 커패시터용 니오브 분말, 그 소결체 및 소결체를 이용한커패시터
AU2002218511A1 (en) * 2000-12-01 2002-06-11 Showa Denko K K Niobium powder for capacitor, sintered body thereof and capacitor using the sintered body
US7210641B2 (en) 2001-02-28 2007-05-01 Cabot Corporation Methods of making a niobium metal oxide
KR100717158B1 (ko) * 2001-03-16 2007-05-11 쇼와 덴코 가부시키가이샤 콘덴서용 니오브 및 그 니오브의 소결체를 사용한 콘덴서
US7149074B2 (en) * 2001-04-19 2006-12-12 Cabot Corporation Methods of making a niobium metal oxide
JP2003003204A (ja) * 2001-06-20 2003-01-08 Showa Denko Kk ニオブ粉の製造方法
FR2834999B1 (fr) * 2002-01-21 2004-06-18 Delachaux Sa Procede de fabrication d'elements metalliques de purete elevee
JP2003213301A (ja) * 2002-01-21 2003-07-30 Kawatetsu Mining Co Ltd ニオブ粉末及び固体電解コンデンサ
WO2004003949A1 (en) * 2002-01-24 2004-01-08 H.C. Starck Inc. Capacitor-grade lead wires with increased tensile strength and hardness
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
US20060162822A1 (en) * 2003-01-21 2006-07-27 Richard Malen Capacitor-grade lead wires with increased tensile strength and hardness
US7157073B2 (en) 2003-05-02 2007-01-02 Reading Alloys, Inc. Production of high-purity niobium monoxide and capacitor production therefrom
CN101676217A (zh) 2003-05-19 2010-03-24 卡伯特公司 生产铌金属氧化物的方法和氧还原的铌氧化物
CN101579743B (zh) * 2003-06-10 2014-11-26 卡伯特公司 钽粉及其制造方法
US20050106310A1 (en) * 2003-07-02 2005-05-19 Green John H. Designed particle agglomeration
US20050225927A1 (en) * 2004-04-06 2005-10-13 Tagusagawa Solon Y Processes for the production of niobium oxides with controlled tantalum content and capacitors made therefrom
KR20060008046A (ko) * 2004-07-23 2006-01-26 한양대학교 산학협력단 나노크기의 금속분말 피드스톡 제조방법 및 이를 이용한소결체 제조방법
WO2006038720A1 (ja) * 2004-10-06 2006-04-13 Showa Denko K.K. ニオブ粉、ニオブ造粒物、ニオブ焼結体及びコンデンサ並びにそれらの製造方法
US20060150770A1 (en) * 2005-01-12 2006-07-13 Onmaterials, Llc Method of making composite particles with tailored surface characteristics
US7099143B1 (en) 2005-05-24 2006-08-29 Avx Corporation Wet electrolytic capacitors
US20060269436A1 (en) * 2005-05-31 2006-11-30 Cabot Corporation Process for heat treating metal powder and products made from the same
EP1922739A1 (en) * 2005-08-19 2008-05-21 Avx Limited Solid state capacitors and method of manufacturing them
GB0517952D0 (en) * 2005-09-02 2005-10-12 Avx Ltd Method of forming anode bodies for solid state capacitors
US8257463B2 (en) * 2006-01-23 2012-09-04 Avx Corporation Capacitor anode formed from flake powder
US7480130B2 (en) * 2006-03-09 2009-01-20 Avx Corporation Wet electrolytic capacitor
US7511943B2 (en) * 2006-03-09 2009-03-31 Avx Corporation Wet electrolytic capacitor containing a cathode coating
GB0622463D0 (en) * 2006-11-10 2006-12-20 Avx Ltd Powder modification in the manufacture of solid state capacitor anodes
US8333923B2 (en) * 2007-02-28 2012-12-18 Caterpillar Inc. High strength gray cast iron
BRPI0808993B1 (pt) 2007-03-16 2018-12-04 Cabot Corp método de fabricação de partículas de aerogel
US7649730B2 (en) 2007-03-20 2010-01-19 Avx Corporation Wet electrolytic capacitor containing a plurality of thin powder-formed anodes
US20080233420A1 (en) * 2007-03-23 2008-09-25 Mccracken Colin G Production of high-purity tantalum flake powder
US20080229880A1 (en) * 2007-03-23 2008-09-25 Reading Alloys, Inc. Production of high-purity tantalum flake powder
WO2009052007A1 (en) * 2007-10-15 2009-04-23 Hi-Temp Specialty Metals, Inc. Method for the production of tantalum powder using reclaimed scrap as source material
US7760487B2 (en) * 2007-10-22 2010-07-20 Avx Corporation Doped ceramic powder for use in forming capacitor anodes
US7768773B2 (en) * 2008-01-22 2010-08-03 Avx Corporation Sintered anode pellet etched with an organic acid for use in an electrolytic capacitor
US7760488B2 (en) * 2008-01-22 2010-07-20 Avx Corporation Sintered anode pellet treated with a surfactant for use in an electrolytic capacitor
US7852615B2 (en) * 2008-01-22 2010-12-14 Avx Corporation Electrolytic capacitor anode treated with an organometallic compound
US20100085685A1 (en) * 2008-10-06 2010-04-08 Avx Corporation Capacitor Anode Formed From a Powder Containing Coarse Agglomerates and Fine Agglomerates
US8203827B2 (en) * 2009-02-20 2012-06-19 Avx Corporation Anode for a solid electrolytic capacitor containing a non-metallic surface treatment
KR101031985B1 (ko) * 2009-03-27 2011-05-02 (주)나인디지트 탄탈륨 광석으로부터 습식제련을 이용한 고순도 금속 화합물의 제조방법
DE102009024120A1 (de) 2009-06-06 2010-12-09 Arno Friedrichs Verfahren zur Verarbeitung von Metallpulver
US8687347B2 (en) * 2011-01-12 2014-04-01 Avx Corporation Planar anode for use in a wet electrolytic capacitor
US8785222B2 (en) 2011-05-09 2014-07-22 Hong Kong Applied Science and Technology Research Institute Company Limited Phosphor ink composition
CZ2012646A3 (cs) 2012-09-19 2014-02-19 Vysoké Učení Technické V Brně Způsob přípravy magneticky vodivých prášků s využitím kavitace a zařízení k provádění tohoto způsobu
JP6223542B2 (ja) * 2013-03-13 2017-11-01 ケメット エレクトロニクス コーポレーション 薄片粉末を製造するための低エネルギーの粉砕
DE102013206603A1 (de) * 2013-04-12 2014-10-16 H.C. Starck Gmbh Verfahren zur Herstellung von sauerstoffarmen Ventilmetallsinterkörpern mit hoher Oberfläche
CN104858436B (zh) * 2014-02-21 2018-01-16 宁夏东方钽业股份有限公司 高可靠高比容电解电容器用钽粉的制备方法
CN106868370A (zh) * 2017-02-09 2017-06-20 武汉华智科创高新技术有限公司 一种抗氧化的铌合金粉末配方
WO2020173911A1 (en) 2019-02-25 2020-09-03 Henkel Ag & Co. Kgaa Composite aerogel material
BR102020016774A2 (pt) * 2020-08-17 2022-02-22 Fras-Le S.A. Preparado de nanopartículas de nióbio, uso e processo para sua obtenção
EP4108094A1 (en) 2021-06-23 2022-12-28 Kaffee Bueno ApS Coffee melanoidin nanoparticles and nanofibers
CN115254355B (zh) * 2022-06-15 2023-12-05 先导薄膜材料（广东）有限公司 一种提高硒化镉粉体流动性的方法

Family Cites Families (85)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1415516A (en) 1919-05-29 1922-05-09 Bridge Arthur Method of and apparatus for reducing metals, etc.
US2242759A (en) 1938-03-02 1941-05-20 Walter H Duisberg Reduction of difficultly reducible oxides
CH396213A (de) 1961-01-10 1965-07-31 Ciba Geigy Verfahren zur Herstellung von Anoden für Elektrolytkondensatoren
US3288593A (en) * 1963-11-08 1966-11-29 United Metallurg Corp Purification of metals
GB1123015A (en) 1964-08-07 1968-08-07 Union Carbide Corp A process for producing sintered anodes
US3295951A (en) * 1965-02-02 1967-01-03 Nat Res Corp Production of metals
GB1094283A (en) * 1965-05-25 1967-12-06 Ciba Ltd Method for the manufacture of tantalum and/or niobium powder
US3630718A (en) 1965-06-25 1971-12-28 Starck Hermann C Fa NONPYROPHORIC METAL POWDER OF A METAL FROM THE GROUP IVb, Vb AND VIb OR THE ACTINIUM SERIES OF THE PERIODIC TABLE
US3418106A (en) 1968-01-31 1968-12-24 Fansteel Inc Refractory metal powder
US3496076A (en) 1968-03-28 1970-02-17 Sprague Electric Co Niobium anodizing electrolyte and anodizing process
CH515996A (de) 1968-06-06 1971-11-30 Starck Hermann C Fa Verfahren zur Herstellung von hochreinem Niob und/oder Tantal
US3635693A (en) 1969-01-27 1972-01-18 Starck Hermann C Fa Method of producing tantalum or niobium powder from compact bodies
US3849124A (en) 1969-12-05 1974-11-19 Norton Co Capacitor powder
US3709439A (en) * 1970-12-02 1973-01-09 Int Nickel Co Production of reflective metal flake pigments
US3926567A (en) * 1973-04-05 1975-12-16 Nasa Cermet composition and method of fabrication
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
US4009007A (en) 1975-07-14 1977-02-22 Fansteel Inc. Tantalum powder and method of making the same
US4017302A (en) 1976-02-04 1977-04-12 Fansteel Inc. Tantalum metal powder
US4164455A (en) 1976-04-05 1979-08-14 Corning Glass Works Process of forming a solid tantalum capacitor
GB1549702A (en) 1976-07-08 1979-08-08 Ncr Inc Metal powder production
JPS5345660A (en) 1976-10-05 1978-04-24 Starck Hermann C Fa Tantalum and niobium powder manufacture
US4084965A (en) 1977-01-05 1978-04-18 Fansteel Inc. Columbium powder and method of making the same
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
JPS5739043A (en) 1980-08-19 1982-03-04 Matsushita Electric Ind Co Ltd Changeover metallic mold
US4406699A (en) 1981-06-09 1983-09-27 Beck David E High-temperature electrically conductive ceramic composite and method for making same
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
US4356028A (en) 1981-08-24 1982-10-26 Fansteel Inc. In situ phosphorus addition to tantalum
DE3140248C2 (de) 1981-10-09 1986-06-19 Hermann C. Starck Berlin, 1000 Berlin Verwendung von dotiertem Ventilmetallpulver für die Herstellung von Elektrolytkondensatoranoden
SU1057995A1 (ru) 1981-12-05 1983-11-30 Предприятие П/Я А-3529 Способ изготовлени объемно-пористого анода электролитического конденсатора
JPS58154221A (ja) 1982-03-10 1983-09-13 株式会社東芝 ニオブ電解コンデンサの製造方法
DE3232245A1 (de) 1982-08-30 1984-03-01 Hermann C. Starck Berlin, 1000 Berlin Verbesserung der fliessfaehigkeit und erhoehung der schuettdichte von hochkapazitiven ventilmetallpulvern
US4441927A (en) 1982-11-16 1984-04-10 Cabot Corporation Tantalum powder composition
EP0115560A3 (en) 1983-02-02 1985-09-18 Won Pyo Hong Improved portland cement, process for preparing same, and compositions containing same
DE3309891A1 (de) * 1983-03-18 1984-10-31 Hermann C. Starck Berlin, 1000 Berlin Verfahren zur herstellung von ventilmetallanoden fuer elektrolytkondensatoren
DE3336453C2 (de) 1983-10-06 1985-11-28 Hermann C. Starck Berlin, 1000 Berlin Verfahren zur Oberflächenvergrößerung von Niob und Tantal in Form von agglomerierten oder nicht agglomerierten Pulvern
JPS6091601A (ja) * 1983-10-25 1985-05-23 Sumitomo Special Metals Co Ltd 希土類・ボロン・鉄系永久磁石用合金粉末の粉砕方法
JPS60121207A (ja) 1983-12-01 1985-06-28 Toyo Soda Mfg Co Ltd 超微粒子の製造方法
US4544403A (en) 1984-11-30 1985-10-01 Fansteel Inc. High charge, low leakage tantalum powders
US4555268A (en) 1984-12-18 1985-11-26 Cabot Corporation Method for improving handling properties of a flaked tantalum powder composition
JPS61291901A (ja) * 1985-06-17 1986-12-22 Sumitomo Special Metals Co Ltd 希土類含有永久磁石原料粉末の粉砕又はプレス用溶媒
US4748737A (en) 1985-11-27 1988-06-07 Westinghouse Electric Corp. Method of removing surface oxidation from particulates
US4684399A (en) 1986-03-04 1987-08-04 Cabot Corporation Tantalum powder process
US4787561A (en) * 1986-08-13 1988-11-29 Gte Products Corporation Fine granular metallic powder particles and process for producing same
US4758929A (en) 1986-11-08 1988-07-19 Showa Denki Kabushiki Kaisha Solid electrolyte capacitor and process for preparation thereof
US4722756A (en) 1987-02-27 1988-02-02 Cabot Corp Method for deoxidizing tantalum material
US4740238A (en) 1987-03-26 1988-04-26 Fansteel Inc. Platelet-containing tantalum powders
JPH01176013A (ja) 1987-07-02 1989-07-12 Showa Denko Kk 麟片状金属粉の製造方法
JPS6484656A (en) 1987-09-28 1989-03-29 Toshiba Corp Semiconductor device capacitor
US5211741A (en) 1987-11-30 1993-05-18 Cabot Corporation Flaked tantalum powder
US4940490A (en) * 1987-11-30 1990-07-10 Cabot Corporation Tantalum powder
US5261942A (en) 1987-11-30 1993-11-16 Cabot Corporation Tantalum powder and method of making same
US5580367A (en) * 1987-11-30 1996-12-03 Cabot Corporation Flaked tantalum powder and method of using same flaked tantalum powder
DE3820960A1 (de) * 1988-06-22 1989-12-28 Starck Hermann C Fa Feinkoernige hochreine erdsaeuremetallpulver, verfahren zu ihrer herstellung sowie deren verwendung
JP2591126B2 (ja) * 1988-12-06 1997-03-19 三菱マテリアル株式会社 希土類永久磁石用合金粉末の粉砕方法
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
JPH0494502A (ja) * 1990-08-10 1992-03-26 Furukawa Electric Co Ltd:The 高透磁率材料とその製造方法並びに高透磁率合金粉末の製造方法
JPH04160105A (ja) * 1990-10-24 1992-06-03 Kanegafuchi Chem Ind Co Ltd 異方性ボンド磁石用磁粉の製造方法
DE4135095C2 (de) 1991-10-24 1993-09-30 Rs Automatisierung Gmbh Mahlen von Metallpartikeln
US5372845A (en) * 1992-03-06 1994-12-13 Sulzer Plasma Technik, Inc. Method for preparing binder-free clad powders
US5245514A (en) 1992-05-27 1993-09-14 Cabot Corporation Extruded capacitor electrode and method of making the same
US5284531A (en) 1992-07-31 1994-02-08 Cabot Corporation Cylindrical metal fibers made from tantalum, columbium, and alloys thereof
US5448447A (en) 1993-04-26 1995-09-05 Cabot Corporation Process for making an improved tantalum powder and high capacitance low leakage electrode made therefrom
US5412533A (en) 1993-06-22 1995-05-02 Rohm Co., Ltd. Solid electrolytic capacitor and manufacturing method thereof
US5993513A (en) * 1996-04-05 1999-11-30 Cabot Corporation Method for controlling the oxygen content in valve metal materials
US6165623A (en) * 1996-11-07 2000-12-26 Cabot Corporation Niobium powders and niobium electrolytic capacitors
US5837030A (en) * 1996-11-20 1998-11-17 Hydro-Quebec Preparation of nanocrystalline alloys by mechanical alloying carried out at elevated temperatures
JP3254163B2 (ja) 1997-02-28 2002-02-04 昭和電工株式会社 コンデンサ
US6007597A (en) 1997-02-28 1999-12-28 Teledyne Industries, Inc. Electron-beam melt refining of ferroniobium
US6051044A (en) 1998-05-04 2000-04-18 Cabot Corporation Nitrided niobium powders and niobium electrolytic capacitors
US6171363B1 (en) * 1998-05-06 2001-01-09 H. C. Starck, Inc. Method for producing tantallum/niobium metal powders by the reduction of their oxides with gaseous magnesium
JP3196832B2 (ja) 1998-05-15 2001-08-06 日本電気株式会社 固体電解コンデンサ及びその製造方法
DE19847012A1 (de) 1998-10-13 2000-04-20 Starck H C Gmbh Co Kg Niobpulver und Verfahren zu dessen Herstellung
US6515846B1 (en) * 1999-02-08 2003-02-04 H.C. Starck, Inc. Capacitor substrates made of refractory metal nitrides
AU2571200A (en) 1999-02-16 2000-09-04 Showa Denko Kabushiki Kaisha Niobium powder, niobium sintered body, capacitor comprised of the sintered body,and method for manufacturing the capacitor
WO2000056486A1 (en) 1999-03-19 2000-09-28 Cabot Corporation Making niobium and other metal powders by milling
US6558447B1 (en) 1999-05-05 2003-05-06 H.C. Starck, Inc. Metal powders produced by the reduction of the oxides with gaseous magnesium
US6375704B1 (en) 1999-05-12 2002-04-23 Cabot Corporation High capacitance niobium powders and electrolytic capacitor anodes
US6960237B2 (en) 1999-07-15 2005-11-01 Showa Denko Kabushiki Kaisha Niobium powder, sintered body thereof and capacitor using the same
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
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
US6652619B2 (en) 2000-08-10 2003-11-25 Showa Denko K.K. Niobium powder, sintered body thereof, and capacitor using the same
US6780218B2 (en) 2001-06-20 2004-08-24 Showa Denko Kabushiki Kaisha Production process for niobium powder

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EP1171254A1 (en) 2002-01-16
KR20010113845A (ko) 2001-12-28
JP2004500480A (ja) 2004-01-08
HK1045276A1 (zh) 2002-11-22
BR0009107A (pt) 2002-12-31
CN100381234C (zh) 2008-04-16
CN1367724A (zh) 2002-09-04
AU768524B2 (en) 2003-12-18
US20020179753A1 (en) 2002-12-05
US7156893B2 (en) 2007-01-02
AU3755400A (en) 2000-10-09
MXPA01009477A (es) 2002-06-04
CA2367907A1 (en) 2000-09-28
CZ20013359A3 (cs) 2002-05-15
WO2000056486A1 (en) 2000-09-28
US6402066B1 (en) 2002-06-11
US6706240B2 (en) 2004-03-16
IL145498A0 (en) 2002-06-30
US20050039577A1 (en) 2005-02-24

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