HK135097A - Fibrous tantalum and capacitors made therefrom - Google Patents

Fibrous tantalum and capacitors made therefrom Download PDF

Info

Publication number
HK135097A
HK135097A HK135097A HK135097A HK135097A HK 135097 A HK135097 A HK 135097A HK 135097 A HK135097 A HK 135097A HK 135097 A HK135097 A HK 135097A HK 135097 A HK135097 A HK 135097A
Authority
HK
Hong Kong
Prior art keywords
fibers
microns
tantalum
diameter
pellet
Prior art date
Application number
HK135097A
Other languages
German (de)
English (en)
French (fr)
Inventor
James A. Fife
Original Assignee
Cabot Corporation
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 Corporation filed Critical Cabot Corporation
Publication of HK135097A publication Critical patent/HK135097A/en

Links

Classifications

    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01GCAPACITORS; CAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES, LIGHT-SENSITIVE OR TEMPERATURE-SENSITIVE DEVICES OF THE ELECTROLYTIC TYPE
    • H01G9/00Electrolytic capacitors, rectifiers, detectors, switching devices, light-sensitive or temperature-sensitive devices; Processes of their manufacture
    • H01G9/004Details
    • H01G9/04Electrodes or formation of dielectric layers thereon
    • H01G9/042Electrodes or formation of dielectric layers thereon characterised by the material
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B22CASTING; POWDER METALLURGY
    • B22FWORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
    • B22F1/00Metallic powder; Treatment of metallic powder, e.g. to facilitate working or to improve properties
    • B22F1/06Metallic powder characterised by the shape of the particles
    • B22F1/062Fibrous particles
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B22CASTING; POWDER METALLURGY
    • B22FWORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
    • B22F1/00Metallic powder; Treatment of metallic powder, e.g. to facilitate working or to improve properties
    • B22F1/14Treatment of metallic powder
    • B22F1/142Thermal or thermo-mechanical treatment
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B22CASTING; POWDER METALLURGY
    • B22FWORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
    • B22F3/00Manufacture of workpieces or articles from metallic powder characterised by the manner of compacting or sintering; Apparatus specially adapted therefor ; Presses and furnaces
    • B22F3/002Manufacture of articles essentially made from metallic fibres
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01GCAPACITORS; CAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES, LIGHT-SENSITIVE OR TEMPERATURE-SENSITIVE DEVICES OF THE ELECTROLYTIC TYPE
    • H01G9/00Electrolytic capacitors, rectifiers, detectors, switching devices, light-sensitive or temperature-sensitive devices; Processes of their manufacture
    • H01G9/004Details
    • H01G9/04Electrodes or formation of dielectric layers thereon
    • H01G9/048Electrodes or formation of dielectric layers thereon characterised by their structure
    • H01G9/052Sintered electrodes
    • H01G9/0525Powder therefor

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Manufacturing & Machinery (AREA)
  • Materials Engineering (AREA)
  • Thermal Sciences (AREA)
  • Physics & Mathematics (AREA)
  • Nanotechnology (AREA)
  • Mechanical Engineering (AREA)
  • Powder Metallurgy (AREA)
  • Inorganic Insulating Materials (AREA)
  • Fixed Capacitors And Capacitor Manufacturing Machines (AREA)
  • Electric Double-Layer Capacitors Or The Like (AREA)
  • Manufacture Of Alloys Or Alloy Compounds (AREA)
  • Communication Cables (AREA)
  • Cable Accessories (AREA)
  • Coils Or Transformers For Communication (AREA)
HK135097A 1991-05-31 1997-06-26 Fibrous tantalum and capacitors made therefrom HK135097A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US07/708,143 US5217526A (en) 1991-05-31 1991-05-31 Fibrous tantalum and capacitors made therefrom
PCT/US1992/004548 WO1992022078A1 (en) 1991-05-31 1992-05-28 Fibrous tantalum and capacitors made therefrom

Publications (1)

Publication Number Publication Date
HK135097A true HK135097A (en) 1998-02-27

Family

ID=24844546

Family Applications (1)

Application Number Title Priority Date Filing Date
HK135097A HK135097A (en) 1991-05-31 1997-06-26 Fibrous tantalum and capacitors made therefrom

Country Status (13)

Country Link
US (2) US5217526A (cs)
EP (1) EP0587734B1 (cs)
JP (1) JP3172182B2 (cs)
KR (1) KR100264754B1 (cs)
AT (1) ATE151563T1 (cs)
AU (1) AU2160592A (cs)
CZ (1) CZ291876B6 (cs)
DE (1) DE69218937T2 (cs)
HK (1) HK135097A (cs)
RU (1) RU2104598C1 (cs)
SG (1) SG55197A1 (cs)
UA (1) UA26404C2 (cs)
WO (1) WO1992022078A1 (cs)

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US5954856A (en) * 1996-04-25 1999-09-21 Cabot Corporation Method of making tantalum metal powder with controlled size distribution and products made therefrom
US6051044A (en) * 1998-05-04 2000-04-18 Cabot Corporation Nitrided niobium powders and niobium electrolytic capacitors
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
US6543123B1 (en) 1999-04-20 2003-04-08 Composite Materials Technology, Inc. Process for making constrained filament niobium-based superconductor composite
DE19953946A1 (de) * 1999-11-09 2001-05-10 Starck H C Gmbh Co Kg Kondensatorpulver
US7146709B2 (en) * 2000-03-21 2006-12-12 Composite Materials Technology, Inc. Process for producing superconductor
US6836955B2 (en) * 2000-03-21 2005-01-04 Composite Materials Technology, Inc. Constrained filament niobium-based superconductor composite and process of fabrication
RU2267182C2 (ru) * 2000-08-10 2005-12-27 Шова Дэнко К.К. Ниобиевый порошок, спеченный ниобиевый материал и конденсатор, выполненный с использованием спеченного материала
US7442227B2 (en) 2001-10-09 2008-10-28 Washington Unniversity Tightly agglomerated non-oxide particles and method for producing the same
US7073559B2 (en) * 2003-07-02 2006-07-11 Ati Properties, Inc. Method for producing metal fibers
EP1638891A2 (en) 2003-05-19 2006-03-29 Cabot Corporation Methods of making a niobium metal oxide and oxygen reduced niobium oxides
CN101579743B (zh) * 2003-06-10 2014-11-26 卡伯特公司 钽粉及其制造方法
DE102004011214A1 (de) * 2004-03-04 2005-10-06 W.C. Heraeus Gmbh Hochtemperaturbeständiger Niob-Draht
US20060070492A1 (en) * 2004-06-28 2006-04-06 Yongjian Qiu High capacitance tantalum flakes and methods of producing the same
RU2349423C2 (ru) * 2004-10-06 2009-03-20 Акционерное общество "Ульбинский металлургический завод" Способ получения волокнистого порошка тантала и волокнистый порошок тантала
DE102004049040B4 (de) * 2004-10-08 2008-11-27 H.C. Starck Gmbh Verfahren zur Herstellung von Festelektrolytkondensatoren
US8257463B2 (en) * 2006-01-23 2012-09-04 Avx Corporation Capacitor anode formed from flake powder
WO2007130483A2 (en) 2006-05-05 2007-11-15 Cabot Corporation Tantalum powder with smooth surface and methods of manufacturing same
US8858738B2 (en) 2006-09-26 2014-10-14 Composite Materials Technology, Inc. Methods for fabrication of improved electrolytic capacitor anode
US8066770B2 (en) * 2007-05-31 2011-11-29 Depuy Products, Inc. Sintered coatings for implantable prostheses
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
US9012092B2 (en) * 2011-04-04 2015-04-21 Laor Consulting Llc Fiber felt capacitors and batteries
US9583271B1 (en) * 2012-06-29 2017-02-28 Greatbach Ltd. Cryogenic grinding of tantalum for use in capacitor manufacture
DE112014001332T5 (de) * 2013-03-13 2015-11-26 Kemet Electronics Corporation Energiearmes Mahlen zur Produktion eines Flockenpulvers
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
USRE48439E1 (en) * 2013-09-06 2021-02-16 Greatbatch Ltd. High voltage tantalum anode and method of manufacture
CN107710474B (zh) 2015-05-15 2021-06-29 复合材料技术公司 改进的高容量充电电池
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
WO2020027874A2 (en) 2018-03-05 2020-02-06 Global Advanced Metals Usa, Inc. Spherical tantalum powder, products containing the same, and methods of making the same
MX2020009146A (es) 2018-03-05 2020-09-28 Global Advanced Metals Usa Inc Anodos que contienen polvo esferico y capacitores.
EP3746239A2 (en) 2018-03-05 2020-12-09 Global Advanced Metals USA, Inc. Powder metallurgy sputtering targets and methods of producing same
JP7250374B2 (ja) 2018-12-12 2023-04-03 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 球状ニオブ合金粉末、それを含有する製品、及びその作製方法

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US2277687A (en) * 1939-05-24 1942-03-31 Joseph B Brennan Electrolytic device
US2299667A (en) * 1939-10-25 1942-10-20 Aerovox Corp Electrolytic cell
US3373320A (en) * 1964-11-06 1968-03-12 Mallory & Co Inc P R Solid aluminum capacitor with aluminum felt electrodes
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US3742369A (en) * 1969-03-13 1973-06-26 R Douglass Capacitor with fibered valve metal anode
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US3976435A (en) * 1971-09-12 1976-08-24 P. R. Mallory & Co. Inc. Porous electrodes and electrolytic capacitors made therefrom
US4138712A (en) * 1971-12-02 1979-02-06 Licencia Talalmanyokat Ertekesito Vallalat Production of capacitor elements having especially high specific energy content
SE400856C (sv) * 1975-12-08 1982-02-22 Svenska Utvecklings Ab Poros elektrod for en kemoelektrisk cell, forfarande for framstellning av densamma samt kemoelektrisk cell med sadan elektrod
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DE3111418A1 (de) * 1981-03-24 1982-10-28 Horst Meyer Hochschmelzende metallfasern, deren herstellung, verarbeitung und verwendung
DE3227077A1 (de) * 1982-07-20 1984-01-26 Hermann C. Starck Berlin, 1000 Berlin Elektrode fuer elektrolytkondensatoren
US4502884A (en) * 1983-10-27 1985-03-05 Cabot Corporation Method for producing fiber-shaped tantalum powder and the powder produced thereby

Also Published As

Publication number Publication date
KR100264754B1 (ko) 2000-09-01
AU2160592A (en) 1993-01-08
US5217526A (en) 1993-06-08
ATE151563T1 (de) 1997-04-15
CZ9302396A3 (cs) 2002-06-12
DE69218937T2 (de) 1997-09-25
DE69218937D1 (de) 1997-05-15
RU2104598C1 (ru) 1998-02-10
UA26404C2 (uk) 1999-08-30
WO1992022078A1 (en) 1992-12-10
JP3172182B2 (ja) 2001-06-04
JPH06508241A (ja) 1994-09-14
EP0587734B1 (en) 1997-04-09
SG55197A1 (en) 1998-12-21
CZ291876B6 (cs) 2003-06-18
US5306462A (en) 1994-04-26
EP0587734A1 (en) 1994-03-23

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Legal Events

Date Code Title Description
PF Patent in force
PC Patent ceased (i.e. patent has lapsed due to the failure to pay the renewal fee)

Effective date: 20060528