ES2009419A6 - Procedimiento para preparar polvo de tantalo. - Google Patents

Procedimiento para preparar polvo de tantalo.

Info

Publication number
ES2009419A6
ES2009419A6 ES8803653A ES8803653A ES2009419A6 ES 2009419 A6 ES2009419 A6 ES 2009419A6 ES 8803653 A ES8803653 A ES 8803653A ES 8803653 A ES8803653 A ES 8803653A ES 2009419 A6 ES2009419 A6 ES 2009419A6
Authority
ES
Spain
Prior art keywords
powder
flaked
flaked tantalum
tantalum powder
improved
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
Application number
ES8803653A
Other languages
English (en)
Inventor
James Allen Fife
Marlyn F Getz
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 Corp
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 ES2009419A6 publication Critical patent/ES2009419A6/es
Expired 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
    • H01G4/00—Fixed capacitors; Processes of their manufacture
    • H01G4/002—Details
    • H01G4/018—Dielectrics
    • H01G4/06—Solid dielectrics
    • 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
    • B22F1/06—Metallic powder characterised by the shape of the particles
    • B22F1/068—Flake-like particles
    • 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
    • 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
    • H01G9/042—Electrodes or formation of dielectric layers thereon characterised by the material
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S75/00—Specialized metallurgical processes, compositions for use therein, consolidated metal powder compositions, and loose metal particulate mixtures
    • Y10S75/954—Producing flakes or crystals

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Power Engineering (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Nanotechnology (AREA)
  • Materials Engineering (AREA)
  • Organic Chemistry (AREA)
  • Metallurgy (AREA)
  • Mechanical Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Manufacture Of Metal Powder And Suspensions Thereof (AREA)
  • Powder Metallurgy (AREA)
  • Conductive Materials (AREA)

Abstract

PROCEDIMIENTO PARA PREPARAR POLVO DE TANTALO EN ESCAMAS, CUYO POLVO TIENE UNA DENSIDAD SCOTT SUPERIOR A 1,097 G/CC APROXIMADAMENTE Y PREFERIBLEMENTE AL MENOS EL 90% APROXIMADAMENTE DE LAS PARTICULAS EN ESCAMAS NO TIENEN DIMENSION ALGUNA SUPERIOR A 55 MICRAS APROXIMADAMENTE. LOS AGLOMERADOS DEL POLVO DE TANTALO EN ESCAMAS PROPORCIONAN CARACTERISTICAS MEJORADAS DE CAPACIDAD DE FLUJO, RESISTENCIA EN BRUTO Y PRENSADO, EN COMPARACION CON LOS POLVOS DE TANTALO EN ESCAMAS CONVENCIONALES. EL PROCEDIMIENTO COMPRENDE PREPARAR TANTALO EN ESCAMAS Y REDUCIR ENTONCES EL TAMAÑO DE LAS ESCAMAS HASTA CONSEGUIR UNA DENSIDAD SCOTT SUPERIOR A 1,097 G/CC APROXIMADAMENTE. LA INVENCION PROPORCIONA TAMBIEN PELLETS Y CAPACITORES PREPARADOS A PARTIR DEL REFERIDO POLVO DE TANTALO EN ESCAMAS.
ES8803653A 1987-11-30 1988-11-30 Procedimiento para preparar polvo de tantalo. Expired ES2009419A6 (es)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US12670687A 1987-11-30 1987-11-30
US07/209,746 US4940490A (en) 1987-11-30 1988-06-21 Tantalum powder

Publications (1)

Publication Number Publication Date
ES2009419A6 true ES2009419A6 (es) 1989-09-16

Family

ID=26824953

Family Applications (1)

Application Number Title Priority Date Filing Date
ES8803653A Expired ES2009419A6 (es) 1987-11-30 1988-11-30 Procedimiento para preparar polvo de tantalo.

Country Status (8)

Country Link
US (1) US4940490A (es)
JP (1) JP2713365B2 (es)
KR (1) KR910001727B1 (es)
CA (1) CA1335334C (es)
DE (1) DE3840361A1 (es)
ES (1) ES2009419A6 (es)
FR (1) FR2625122B1 (es)
GB (1) GB2212817B (es)

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US5211741A (en) * 1987-11-30 1993-05-18 Cabot Corporation Flaked tantalum powder
RU2089350C1 (ru) * 1990-05-17 1997-09-10 Кабот Корпорейшн Способ получения танталового порошка
US20030145682A1 (en) * 1994-08-01 2003-08-07 Kroftt-Brakston International, Inc. Gel of elemental material or alloy and liquid metal and salt
US7435282B2 (en) 1994-08-01 2008-10-14 International Titanium Powder, Llc Elemental material and alloy
US7445658B2 (en) 1994-08-01 2008-11-04 Uchicago Argonne, Llc Titanium and titanium alloys
US20030061907A1 (en) * 1994-08-01 2003-04-03 Kroftt-Brakston International, Inc. Gel of elemental material or alloy and liquid metal and salt
ES2161297T3 (es) * 1994-08-01 2001-12-01 Internat Titanium Powder L L C Procedimiento para la obtencion de metales y otros elementos.
JP3434041B2 (ja) * 1994-09-28 2003-08-04 スタルクヴイテック株式会社 タンタル粉末及びそれを用いた電解コンデンサ
US5993513A (en) * 1996-04-05 1999-11-30 Cabot Corporation Method for controlling the oxygen content in valve metal materials
US5954856A (en) * 1996-04-25 1999-09-21 Cabot Corporation Method of making tantalum metal powder with controlled size distribution and products made therefrom
KR100484686B1 (ko) * 1996-04-25 2005-06-16 캐보트 코포레이션 탄탈륨분말의크기조절방법,크기분포가조절된탄탈륨금속분말의제조방법및그로부터제조되는생성물
US6165623A (en) * 1996-11-07 2000-12-26 Cabot Corporation Niobium powders and niobium electrolytic capacitors
CN1088761C (zh) * 1997-02-19 2002-08-07 H.C.施塔克公司 钽粉及其制造方法和由其制成的烧结阳极
US6444008B1 (en) 1998-03-19 2002-09-03 Cabot Corporation Paint and coating compositions containing tantalum and/or niobium powders
US6051044A (en) * 1998-05-04 2000-04-18 Cabot Corporation Nitrided niobium powders and niobium electrolytic capacitors
CZ303684B6 (cs) * 1998-05-06 2013-03-06 H. C. Starck Inc. Slitinový prásek, zpusob jeho výroby, anoda kondenzátoru z tohoto slitinového prásku a kondenzátor, a prásek slitiny niobu a tantalu
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
US7621977B2 (en) * 2001-10-09 2009-11-24 Cristal Us, Inc. System and method of producing metals and alloys
AU2003298572A1 (en) * 2002-09-07 2004-04-19 International Titanium Powder, Llc. Filter cake treatment method
UA79310C2 (en) * 2002-09-07 2007-06-11 Int Titanium Powder Llc Methods for production of alloys or ceramics with the use of armstrong method and device for their realization
CA2497999A1 (en) * 2002-09-07 2004-03-18 International Titanium Powder, Llc. Process for separating ti from a ti slurry
AU2003270305A1 (en) * 2002-10-07 2004-05-04 International Titanium Powder, Llc. System and method of producing metals and alloys
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
DE10331785B4 (de) * 2003-07-11 2007-08-23 H. C. Starck Gmbh & Co. Kg Verfahren zur Herstellung feiner Metall-, Legierungs-und Verbundpulver
US20070180951A1 (en) * 2003-09-03 2007-08-09 Armstrong Donn R Separation system, method and apparatus
CN101010160A (zh) * 2004-06-28 2007-08-01 卡伯特公司 高电容钽片及其制备方法
US20070017319A1 (en) 2005-07-21 2007-01-25 International Titanium Powder, Llc. Titanium alloy
CA2623544A1 (en) 2005-10-06 2007-04-19 International Titanium Powder, Llc Titanium or titanium alloy with titanium boride dispersion
US8257463B2 (en) * 2006-01-23 2012-09-04 Avx Corporation Capacitor anode formed from flake powder
GB2450669B (en) 2006-05-05 2012-03-21 Cabot Corp Tantalam powder and methods of manufacturing same
US20080031766A1 (en) * 2006-06-16 2008-02-07 International Titanium Powder, Llc Attrited titanium powder
GB0622463D0 (en) * 2006-11-10 2006-12-20 Avx Ltd Powder modification in the manufacture of solid state capacitor anodes
US7753989B2 (en) * 2006-12-22 2010-07-13 Cristal Us, Inc. Direct passivation of metal powder
US20080229880A1 (en) * 2007-03-23 2008-09-25 Reading Alloys, Inc. Production of high-purity tantalum flake powder
US20080233420A1 (en) * 2007-03-23 2008-09-25 Mccracken Colin G Production of high-purity tantalum flake powder
US9127333B2 (en) * 2007-04-25 2015-09-08 Lance Jacobsen Liquid injection of VCL4 into superheated TiCL4 for the production of Ti-V alloy 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
US20100085685A1 (en) * 2008-10-06 2010-04-08 Avx Corporation Capacitor Anode Formed From a Powder Containing Coarse Agglomerates and Fine Agglomerates
US8430944B2 (en) * 2008-12-22 2013-04-30 Global Advanced Metals, Usa, Inc. Fine particle recovery methods for valve metal powders
US8687347B2 (en) 2011-01-12 2014-04-01 Avx Corporation Planar anode for use in a wet electrolytic capacitor
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
USRE48439E1 (en) 2013-09-06 2021-02-16 Greatbatch Ltd. High voltage tantalum anode and method of manufacture
US9312075B1 (en) 2013-09-06 2016-04-12 Greatbatch Ltd. High voltage tantalum anode and method of manufacture
US9633796B2 (en) 2013-09-06 2017-04-25 Greatbatch Ltd. High voltage tantalum anode and method of manufacture
DK3089180T3 (da) 2013-12-25 2020-02-10 Ningxia Orient Tantalum Ind Co Ltd Kondensatorgrad-tantalpulver med højspecifik volumen til forbedring af elektrisk ydeevne og fremstillingsfremgangsmåde dertil
WO2016026092A1 (zh) 2014-08-20 2016-02-25 宁夏东方钽业股份有限公司 一种复合钽粉及其制备方法及该钽粉制备的电容器阳极
EP3895832B1 (en) 2016-08-12 2022-12-28 COMPOSITE MATERIALS TECHNOLOGY, Inc. Electrolytic capacitor and method for improved electrolytic capacitor anodes
WO2018045339A1 (en) 2016-09-01 2018-03-08 Composite Materials Technology, Inc. Nano-scale/nanostructured si coating on valve metal substrate for lib anodes
US20180144874A1 (en) 2016-10-21 2018-05-24 Global Advanced Metals, Usa, Inc. Tantalum Powder, Anode, And Capacitor Including Same, And Manufacturing Methods Thereof
CN111819016A (zh) 2018-03-05 2020-10-23 全球先进金属美国股份有限公司 球形钽粉末、含其的产品以及其制造方法
KR102389784B1 (ko) 2018-03-05 2022-04-22 글로벌 어드밴스드 메탈스 유에스에이, 아이엔씨. 구형 분말을 함유하는 애노드 및 커패시터
EP3870382A1 (en) 2018-12-12 2021-09-01 Global Advanced Metals USA, Inc. Spherical niobium alloy powder, products containing the same, and methods of making the same
US11450486B2 (en) * 2020-04-03 2022-09-20 Greatbatch Ltd. Electrolytic capacitor having a tantalum anode
US12119186B2 (en) 2020-04-03 2024-10-15 Greatbatch Ltd. Electrolytic capacitor having an anode formed from a tantalum powder with a relatively low specific charge
CN112404439A (zh) * 2020-11-18 2021-02-26 贵州振华电子信息产业技术研究有限公司 一种电容器用高压钽粉及其制备方法和电容器
CN112620636B (zh) * 2020-12-15 2021-09-03 江门富祥电子材料有限公司 一种耐高压片形钽粉的生产方法

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CH460261A (de) * 1965-05-26 1968-07-31 Ciba Geigy Verfahren zur Herstellung von Tantalpulver
US4017302A (en) * 1976-02-04 1977-04-12 Fansteel Inc. Tantalum metal powder
US4486225A (en) * 1982-06-07 1984-12-04 Mpd Technology Corporation Production of highly reflective metal flake
US4482374A (en) * 1982-06-07 1984-11-13 Mpd Technology Corporation Production of electrically conductive metal flake
US4441927A (en) * 1982-11-16 1984-04-10 Cabot Corporation Tantalum powder composition
US4555268A (en) * 1984-12-18 1985-11-26 Cabot Corporation Method for improving handling properties of a flaked tantalum powder composition
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Also Published As

Publication number Publication date
JPH02125804A (ja) 1990-05-14
GB2212817A (en) 1989-08-02
CA1335334C (en) 1995-04-25
GB8827970D0 (en) 1989-01-05
KR890008870A (ko) 1989-07-12
GB2212817B (en) 1992-01-02
FR2625122A1 (fr) 1989-06-30
FR2625122B1 (fr) 1992-09-18
DE3840361A1 (de) 1989-06-08
KR910001727B1 (ko) 1991-03-22
US4940490A (en) 1990-07-10
DE3840361C2 (es) 1991-12-12
JP2713365B2 (ja) 1998-02-16

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Legal Events

Date Code Title Description
SA6 Expiration date (snapshot 920101)

Free format text: 2008-11-30

FD1A Patent lapsed

Effective date: 20000201