DE69725880D1 - Niobiumpulver und dieses verwendender elektrolytkondensateur - Google Patents

Niobiumpulver und dieses verwendender elektrolytkondensateur

Info

Publication number
DE69725880D1
DE69725880D1 DE69725880T DE69725880T DE69725880D1 DE 69725880 D1 DE69725880 D1 DE 69725880D1 DE 69725880 T DE69725880 T DE 69725880T DE 69725880 T DE69725880 T DE 69725880T DE 69725880 D1 DE69725880 D1 DE 69725880D1
Authority
DE
Germany
Prior art keywords
niobium powder
electrolyte condenser
electrolyte
condenser
niobium
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 - Lifetime
Application number
DE69725880T
Other languages
English (en)
Other versions
DE69725880T2 (de
DE69725880T3 (de
Inventor
A Fife
Jia Liu
W Steele
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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=26705079&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=DE69725880(D1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Cabot Corp filed Critical Cabot Corp
Publication of DE69725880D1 publication Critical patent/DE69725880D1/de
Publication of DE69725880T2 publication Critical patent/DE69725880T2/de
Application granted granted Critical
Publication of DE69725880T3 publication Critical patent/DE69725880T3/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01G—CAPACITORS; CAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES OR LIGHT-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
    • 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
DE69725880T 1996-11-07 1997-11-05 Niobiumpulver und dieses verwendender elektrolytkondensateur Expired - Lifetime DE69725880T3 (de)

Applications Claiming Priority (6)

Application Number Priority Date Filing Date Title
US2956196P 1996-11-07 1996-11-07
US29561P 1996-11-07
US08/962,830 US6165623A (en) 1996-11-07 1997-11-03 Niobium powders and niobium electrolytic capacitors
PCT/US1997/019949 WO1998019811A1 (en) 1996-11-07 1997-11-05 Niobium powders and niobium electrolytic capacitors
EP97946465A EP0946323B2 (de) 1996-11-07 1997-11-05 Niobiumpulver und dieses verwendender elektrolytkondensateur
US962830 2001-09-25

Publications (3)

Publication Number Publication Date
DE69725880D1 true DE69725880D1 (de) 2003-12-04
DE69725880T2 DE69725880T2 (de) 2004-05-13
DE69725880T3 DE69725880T3 (de) 2012-01-19

Family

ID=26705079

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69725880T Expired - Lifetime DE69725880T3 (de) 1996-11-07 1997-11-05 Niobiumpulver und dieses verwendender elektrolytkondensateur

Country Status (12)

Country Link
US (2) US6165623A (de)
EP (1) EP0946323B2 (de)
JP (1) JP4213222B2 (de)
AU (1) AU5162798A (de)
BR (1) BR9712906A (de)
CA (1) CA2271780A1 (de)
CZ (1) CZ295984B6 (de)
DE (1) DE69725880T3 (de)
EE (1) EE9900189A (de)
IL (1) IL129832A0 (de)
PT (1) PT946323E (de)
WO (1) WO1998019811A1 (de)

Families Citing this family (89)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6338832B1 (en) * 1995-10-12 2002-01-15 Cabot Corporation Process for producing niobium and tantalum compounds
US6165623A (en) * 1996-11-07 2000-12-26 Cabot Corporation Niobium powders and niobium electrolytic capacitors
JP3254163B2 (ja) 1997-02-28 2002-02-04 昭和電工株式会社 コンデンサ
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
DE69940030D1 (de) † 1998-05-06 2009-01-15 Starck H C Inc VERFAHREN ZUR HERSTELLUNG VON METALLPULVERN DURCH REDUKTION VON OXIDEN, Nb UND Nb-Ta PULVER UND DAMIT HERGESTELLTE KONDENSATORANODE
PT1144147E (pt) * 1998-05-06 2009-01-21 Starck H C Inc Método de produção de pós metálicos por redução dos óxidos, pós de nb e nb-ta e ânodo de condensador obtido com os mesmos
US6576038B1 (en) 1998-05-22 2003-06-10 Cabot Corporation Method to agglomerate metal particles and metal particles having improved properties
US6521013B1 (en) 1998-08-05 2003-02-18 Showa Denko Kabushiki Kaisha Niobium sintered body for capacitor and replace with process for producing same
GB2359823A (en) * 1998-08-28 2001-09-05 Kemet Electronics Corp Phosphate anodizing electrolyte and its use to prepare capacitors valve metal anodes produced from very fine metal powders
WO2000016353A1 (de) * 1998-09-10 2000-03-23 H.C. Starck Gmbh & Co. Kg Paste zur herstellung von gesinterten refraktärmetallschichten, insbesondere erdsäuremetall-elektrolytkondensatoren oder -anoden
US6322912B1 (en) 1998-09-16 2001-11-27 Cabot Corporation Electrolytic capacitor anode of valve metal oxide
US6416730B1 (en) † 1998-09-16 2002-07-09 Cabot Corporation Methods to partially reduce a niobium metal oxide oxygen reduced niobium oxides
DE19847012A1 (de) * 1998-10-13 2000-04-20 Starck H C Gmbh Co Kg Niobpulver und Verfahren zu dessen Herstellung
WO2000036617A1 (fr) 1998-12-15 2000-06-22 Showa Denko Kabushiki Kaisha Condensateur au niobium et procede de fabrication correspondant
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
WO2000049633A1 (fr) * 1999-02-16 2000-08-24 Showa Denko K.K. Poudre de niobium, element fritte a base de niobium, condensateur renfermant cet element et procede de fabrication de ce condensateur
MXPA01009477A (es) 1999-03-19 2002-06-04 Cabot Corp Elaboracion de polvo de niobio y de otros metales mediante molienda.
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
TW479262B (en) 1999-06-09 2002-03-11 Showa Denko Kk Electrode material for capacitor and capacitor using the same
US6600646B1 (en) * 1999-08-11 2003-07-29 Showa Denko Kabushiki Kaisha Niobium powder, sintered body thereof and capacitor using 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
US6358625B1 (en) * 1999-10-11 2002-03-19 H. C. Starck, Inc. Refractory metals with improved adhesion strength
DE19953946A1 (de) 1999-11-09 2001-05-10 Starck H C Gmbh Co Kg Kondensatorpulver
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
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
US6480371B1 (en) 2000-02-01 2002-11-12 Kemet Electronics Corporation Alkanolamine-phosphoric acid anodizing electrolyte
WO2001071738A2 (en) * 2000-03-23 2001-09-27 Cabot Corporation Oxygen reduced niobium oxides
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
CN1226112C (zh) 2000-04-24 2005-11-09 昭和电工株式会社 铌粉、其烧结体和电容器
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
US6436268B1 (en) 2000-08-02 2002-08-20 Kemet Electronics Corporation Non-aqueous electrolytes for anodizing
US6652619B2 (en) 2000-08-10 2003-11-25 Showa Denko K.K. Niobium powder, sintered body thereof, and capacitor using the same
KR100759290B1 (ko) * 2000-08-10 2007-09-17 쇼와 덴코 가부시키가이샤 니오브합금분, 그 소결체 및 그것을 사용한 콘덴서
DE10041901A1 (de) * 2000-08-25 2002-03-07 Starck H C Gmbh Kondensatoranode auf Basis Niob
JP2002093666A (ja) * 2000-09-20 2002-03-29 Showa Denko Kk 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
MXPA03003968A (es) * 2000-11-06 2004-05-24 Cabot Corp Oxidos de metal para valvulas, reducidos en oxigeno, modificados.
US6755884B2 (en) * 2000-11-30 2004-06-29 Showa Denko K.K. Niobium powder for capacitor, sintered body thereof and capacitor using the sintered body
US7149074B2 (en) 2001-04-19 2006-12-12 Cabot Corporation Methods of making a niobium metal oxide
CA2419291A1 (en) * 2001-05-15 2002-11-21 Showa Denko K.K. Niobium powder, niobium sintered body and capacitor using the sintered body
AU2008200187B2 (en) * 2001-05-15 2010-02-18 Showa Denko K.K. Niobium powder, niobium sintered body and capacitor using the sintered body
US7737066B2 (en) * 2001-05-15 2010-06-15 Showa Denko K.K. Niobium monoxide powder, niobium monoxide sintered body and capacitor using the sintered body
US6780218B2 (en) * 2001-06-20 2004-08-24 Showa Denko Kabushiki Kaisha Production process for niobium powder
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
KR100422594B1 (ko) 2001-09-12 2004-03-16 주식회사 하이닉스반도체 반도체 소자의 커패시터 및 제조방법
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
DE10304756B4 (de) * 2003-02-05 2005-04-07 W.C. Heraeus Gmbh Sauerstoffangereicherter Niob-Draht
US7655214B2 (en) * 2003-02-26 2010-02-02 Cabot Corporation Phase formation of oxygen reduced valve metal oxides and granulation methods
US7235118B2 (en) * 2003-04-16 2007-06-26 National Research Council Of Canada Process for agglomeration and densification of nanometer sized particles
US7445679B2 (en) 2003-05-16 2008-11-04 Cabot Corporation Controlled oxygen addition for metal material
WO2004103906A2 (en) 2003-05-19 2004-12-02 Cabot Corporation Methods of making a niobium metal oxide and oxygen reduced niobium oxides
US7142409B2 (en) * 2003-07-28 2006-11-28 Cabot Corporation Nitrided valve metal material and method of making same
DE102004032128B4 (de) * 2003-10-17 2010-10-14 W.C. Heraeus Gmbh Metallischer Werkstoff, Herstellverfahren und Verwendung
US6965510B1 (en) * 2003-12-11 2005-11-15 Wilson Greatbatch Technologies, Inc. Sintered valve metal powders for implantable capacitors
DE102004011214A1 (de) * 2004-03-04 2005-10-06 W.C. Heraeus Gmbh Hochtemperaturbeständiger Niob-Draht
DE102004024026A1 (de) 2004-03-11 2005-09-29 W.C. Heraeus Gmbh Katalysator zur N2O-Zersetzung beim Ostwaldprozess
US20050202966A1 (en) * 2004-03-11 2005-09-15 W.C. Heraeus Gmbh Catalyst for the decomposition of N2O in the Ostwald process
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
US7594937B2 (en) 2004-11-29 2009-09-29 Showa Denko K.K. Porous anode body for solid electrolytic capacitor, production method thereof and solid electrolytic capacitor
JP2006206428A (ja) * 2004-12-27 2006-08-10 Mitsui Mining & Smelting Co Ltd ニオブ酸化物及びその製造方法
US7099143B1 (en) * 2005-05-24 2006-08-29 Avx Corporation Wet electrolytic capacitors
WO2007020464A1 (en) 2005-08-19 2007-02-22 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
CZ306436B6 (cs) * 2006-05-05 2017-01-25 Cabot Corporation Tantalový prášek a způsob jeho výroby a anoda elektrolytického kondenzátoru
JPWO2008001774A1 (ja) * 2006-06-26 2009-11-26 三井金属鉱業株式会社 ニオブ酸化物の製造方法及び一酸化ニオブ
JP4884108B2 (ja) * 2006-06-30 2012-02-29 三洋電機株式会社 電解コンデンサ
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
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
JP5411156B2 (ja) 2008-10-29 2014-02-12 昭和電工株式会社 コンデンサ素子の製造方法
US8430944B2 (en) * 2008-12-22 2013-04-30 Global Advanced Metals, Usa, Inc. Fine particle recovery methods for valve metal powders
US8203827B2 (en) * 2009-02-20 2012-06-19 Avx Corporation Anode for a solid electrolytic capacitor containing a non-metallic surface treatment
JP2010261106A (ja) * 2010-06-11 2010-11-18 Showa Denko Kk コンデンサ用ニオブ焼結体の製造方法
US9548163B2 (en) 2012-07-19 2017-01-17 Avx Corporation Solid electrolytic capacitor with improved performance at high voltages
JP6353912B2 (ja) 2014-09-11 2018-07-04 石原ケミカル株式会社 Ｔａ−Ｎｂ合金粉末および固体電解コンデンサ用陽極素子
US20180144874A1 (en) 2016-10-21 2018-05-24 Global Advanced Metals, Usa, Inc. Tantalum Powder, Anode, And Capacitor Including Same, And Manufacturing Methods Thereof
MX2020009146A (es) 2018-03-05 2020-09-28 Global Advanced Metals Usa Inc Anodos que contienen polvo esferico y capacitores.
KR102503996B1 (ko) 2018-03-05 2023-03-02 글로벌 어드밴스드 메탈스 유에스에이, 아이엔씨. 구형 탄탈럼 분말, 그를 함유하는 생성물, 및 그의 제조 방법
WO2020123265A1 (en) 2018-12-12 2020-06-18 Global Advanced Metals Usa, Inc. Spherical niobium alloy powder, products containing the same, and methods of making the same

Family Cites Families (88)

* 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
GB1123015A (en) * 1964-08-07 1968-08-07 Union Carbide Corp A process for producing sintered anodes
US3417106A (en) * 1964-11-16 1968-12-17 Syntex Corp 4-oxa-19-nor-delta1,5(10)-pregnadiene-3,20-dione steroids and their preparation
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
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
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
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
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
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
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
JPH0770438B2 (ja) 1987-07-08 1995-07-31 昭和電工株式会社 固体電解コンデンサの製造方法
JPH0727851B2 (ja) 1987-07-08 1995-03-29 昭和電工株式会社 固体電解コンデンサの製造方法
JPH0640538B2 (ja) 1987-07-15 1994-05-25 昭和電工株式会社 固体電解コンデンサの製造方法
JPH0777180B2 (ja) 1987-08-20 1995-08-16 昭和電工株式会社 固体電解コンデンサの製造方法
JPS6484656A (en) * 1987-09-28 1989-03-29 Toshiba Corp Semiconductor device capacitor
JPH063786B2 (ja) 1987-10-21 1994-01-12 三洋電機株式会社 固体電解コンデンサの製造方法
JPH01124214A (ja) 1987-11-10 1989-05-17 Showa Denko Kk 固体電解コンデンサの製造方法
US5261942A (en) * 1987-11-30 1993-11-16 Cabot Corporation Tantalum powder and method of making same
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
US5580367A (en) * 1987-11-30 1996-12-03 Cabot Corporation Flaked tantalum powder and method of using same flaked tantalum powder
JPH01241110A (ja) 1988-03-23 1989-09-26 Asahi Glass Co Ltd 電気二重層コンデンサ
JPH01241813A (ja) 1988-03-23 1989-09-26 Nec Corp オープン機構付き固体電解コンデンサ
JPH01319921A (ja) 1988-06-21 1989-12-26 Seiko Electronic Components Ltd 電気二重層コンデンサ
DE3820960A1 (de) * 1988-06-22 1989-12-28 Starck Hermann C Fa Feinkoernige hochreine erdsaeuremetallpulver, verfahren zu ihrer herstellung sowie deren verwendung
JPH02123724A (ja) 1988-11-02 1990-05-11 Elna Co Ltd 固体電解コンデンサの製造方法
JPH02298013A (ja) 1989-05-12 1990-12-10 Matsushita Electric Ind Co Ltd 固体電解コンデンサ
US5242481A (en) * 1989-06-26 1993-09-07 Cabot Corporation Method of making powders and products of tantalum and niobium
US4960471A (en) 1989-09-26 1990-10-02 Cabot Corporation Controlling the oxygen content in tantalum material
US4964906A (en) 1989-09-26 1990-10-23 Fife James A Method for controlling the oxygen content of tantalum material
US5011742A (en) 1989-09-26 1991-04-30 Fife James A Article for controlling the oxygen content in tantalum material
US5050034A (en) 1990-01-22 1991-09-17 Endress U. Hauser Gmbh U. Co. Pressure sensor and method of manufacturing same
US5234491A (en) * 1990-05-17 1993-08-10 Cabot Corporation Method of producing high surface area, low metal impurity
JPH04271106A (ja) 1990-12-26 1992-09-28 Tama Electric Co Ltd コンデンサおよびコンデンサネットワークおよび抵抗コンデンサネットワーク
JPH05129160A (ja) 1991-10-30 1993-05-25 Ryuichi Yamamoto 固体電解コンデンサおよびその製造方法
US5245514A (en) * 1992-05-27 1993-09-14 Cabot Corporation Extruded capacitor electrode and method of making the same
JP2923391B2 (ja) 1992-06-03 1999-07-26 富士通東和エレクトロン株式会社 電解コンデンサの製造方法
US5284531A (en) * 1992-07-31 1994-02-08 Cabot Corporation Cylindrical metal fibers made from tantalum, columbium, and alloys thereof
JP3281658B2 (ja) 1992-11-30 2002-05-13 三洋電機株式会社 固体電解コンデンサとその製造方法
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
JPH07153650A (ja) 1993-11-26 1995-06-16 Elna Co Ltd 固体電解コンデンサの製造方法
JPH07220982A (ja) 1994-01-31 1995-08-18 Elna Co Ltd 固体電解コンデンサの製造方法
JP3199096B2 (ja) 1994-02-15 2001-08-13 エルナー株式会社 固体電解コンデンサ
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
JP3504058B2 (ja) 1996-03-19 2004-03-08 株式会社東芝 薄膜キャパシタおよび半導体記憶装置
JPH10135080A (ja) 1996-10-31 1998-05-22 Matsushita Electric Ind Co Ltd 固体電解コンデンサ及びその製造方法
US6165623A (en) * 1996-11-07 2000-12-26 Cabot Corporation Niobium powders and niobium electrolytic capacitors
US6007597A (en) * 1997-02-28 1999-12-28 Teledyne Industries, Inc. Electron-beam melt refining of ferroniobium
JP3254163B2 (ja) 1997-02-28 2002-02-04 昭和電工株式会社 コンデンサ
JPH11312628A (ja) 1998-04-30 1999-11-09 Nec Corp 固体電解コンデンサ及び製造方法
US6051044A (en) * 1998-05-04 2000-04-18 Cabot Corporation Nitrided niobium powders and niobium electrolytic capacitors
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
JP3973299B2 (ja) 1998-08-26 2007-09-12 昭和電工株式会社 コンデンサ
JP4263795B2 (ja) 1998-12-22 2009-05-13 昭和電工株式会社 コンデンサ
JP2000188241A (ja) 1998-12-22 2000-07-04 Nec Corp 固体電解コンデンサ及びその製造方法
JP2000269091A (ja) 1999-03-17 2000-09-29 Showa Kyabotto Super Metal Kk 電解コンデンサ用金属粉末ならびにこれを用いた電解コンデンサ用陽極体および電解コンデンサ
JP3907358B2 (ja) 1999-11-04 2007-04-18 日本ケミコン株式会社 固体電解コンデンサの製造方法
JP2001172701A (ja) 1999-12-14 2001-06-26 Showa Kyabotto Super Metal Kk ニオブ粉末およびその製造方法と、このニオブ粉末を用いた多孔質焼結体および固体電解コンデンサー
JP4422258B2 (ja) 1999-11-30 2010-02-24 昭和電工株式会社 コンデンサ

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US6420043B1 (en) 2002-07-16
DE69725880T2 (de) 2004-05-13
CZ295984B6 (cs) 2005-12-14
US6165623A (en) 2000-12-26
CZ162899A3 (cs) 2000-05-17
PT946323E (pt) 2004-03-31
EE9900189A (et) 1999-12-15
EP0946323A1 (de) 1999-10-06
EP0946323B2 (de) 2011-06-15
EP0946323B1 (de) 2003-10-29
BR9712906A (pt) 2002-01-02
DE69725880T3 (de) 2012-01-19
IL129832A0 (en) 2000-02-29
WO1998019811A1 (en) 1998-05-14
AU5162798A (en) 1998-05-29
CA2271780A1 (en) 1998-05-14
JP4213222B2 (ja) 2009-01-21
JP2002507247A (ja) 2002-03-05

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