AU2005291557B2 - Tantalum powder for the production of solid electrolyte capacitors - Google Patents

Tantalum powder for the production of solid electrolyte capacitors Download PDF

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Publication number
AU2005291557B2
AU2005291557B2 AU2005291557A AU2005291557A AU2005291557B2 AU 2005291557 B2 AU2005291557 B2 AU 2005291557B2 AU 2005291557 A AU2005291557 A AU 2005291557A AU 2005291557 A AU2005291557 A AU 2005291557A AU 2005291557 B2 AU2005291557 B2 AU 2005291557B2
Authority
AU
Australia
Prior art keywords
tantalum
ppm
solid electrolyte
powder
anode
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.)
Ceased
Application number
AU2005291557A
Other languages
English (en)
Other versions
AU2005291557A1 (en
Inventor
Ulrich Bartmann
Helmut Haas
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.)
HC Starck GmbH
Original Assignee
HC Starck GmbH
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 HC Starck GmbH filed Critical HC Starck GmbH
Publication of AU2005291557A1 publication Critical patent/AU2005291557A1/en
Application granted granted Critical
Publication of AU2005291557B2 publication Critical patent/AU2005291557B2/en
Assigned to H.C. STARCK GMBH reassignment H.C. STARCK GMBH Amend patent request/document other than specification (104) Assignors: H. C. STARCK GMBH & CO. KG
Anticipated expiration legal-status Critical
Ceased 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
    • 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
    • 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
    • B22F1/05—Metallic powder characterised by the size or surface area of the particles
    • B22F1/052—Metallic powder characterised by the size or surface area of the particles characterised by a mixture of particles of different sizes or by the particle size distribution
    • 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
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Chemical & Material Sciences (AREA)
  • Materials Engineering (AREA)
  • Organic Chemistry (AREA)
  • Metallurgy (AREA)
  • Mechanical Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Powder Metallurgy (AREA)
  • Manufacture Of Metal Powder And Suspensions Thereof (AREA)
  • Manufacture And Refinement Of Metals (AREA)
  • Conductive Materials (AREA)
  • Battery Electrode And Active Subsutance (AREA)
  • Inorganic Compounds Of Heavy Metals (AREA)
AU2005291557A 2004-10-08 2005-09-24 Tantalum powder for the production of solid electrolyte capacitors Ceased AU2005291557B2 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE102004049040A DE102004049040B4 (de) 2004-10-08 2004-10-08 Verfahren zur Herstellung von Festelektrolytkondensatoren
DE102004049040.6 2004-10-08
PCT/EP2005/010361 WO2006037497A1 (de) 2004-10-08 2005-09-24 Tantalpulver zur herstellung von festelektrolytkondensatoren

Publications (2)

Publication Number Publication Date
AU2005291557A1 AU2005291557A1 (en) 2006-04-13
AU2005291557B2 true AU2005291557B2 (en) 2010-07-29

Family

ID=35645881

Family Applications (1)

Application Number Title Priority Date Filing Date
AU2005291557A Ceased AU2005291557B2 (en) 2004-10-08 2005-09-24 Tantalum powder for the production of solid electrolyte capacitors

Country Status (17)

Country Link
US (1) US7898794B2 (enExample)
EP (1) EP1843868B1 (enExample)
JP (2) JP5150256B2 (enExample)
KR (1) KR101285491B1 (enExample)
CN (1) CN101035640B (enExample)
AT (1) ATE517707T1 (enExample)
AU (1) AU2005291557B2 (enExample)
BR (1) BRPI0516563B1 (enExample)
DE (1) DE102004049040B4 (enExample)
IL (2) IL203658A (enExample)
MX (1) MX2007003962A (enExample)
PT (1) PT1843868E (enExample)
RU (1) RU2414990C2 (enExample)
SV (1) SV2006002260A (enExample)
TW (1) TWI386263B (enExample)
WO (1) WO2006037497A1 (enExample)
ZA (1) ZA200702885B (enExample)

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE112007001100T5 (de) * 2006-05-05 2009-05-14 Cabot Corp., Boston Tantalpulver mit glatter Oberfläche und Verfahren zur Herstellung desselben
DE102008026304A1 (de) * 2008-06-02 2009-12-03 H.C. Starck Gmbh Verfahren zur Herstellung von Elektrolytkondensatoren mit niedrigem Leckstrom
DE102013213723A1 (de) 2012-07-19 2014-01-23 Avx Corporation Festelektrolytkondensator mit erhöhter Feucht-zu-Trocken-Kapazität
US9548163B2 (en) 2012-07-19 2017-01-17 Avx Corporation Solid electrolytic capacitor with improved performance at high voltages
DE102013213720A1 (de) 2012-07-19 2014-01-23 Avx Corporation Temperaturstabiler Festelektrolytkondensator
CN103578768B (zh) 2012-07-19 2017-10-31 Avx公司 用在电解电容器固体电解质中的非离子表面活性剂
GB2512480B (en) 2013-03-13 2018-05-30 Avx Corp Solid electrolytic capacitor for use in extreme conditions
DE102013206603A1 (de) * 2013-04-12 2014-10-16 H.C. Starck Gmbh Verfahren zur Herstellung von sauerstoffarmen Ventilmetallsinterkörpern mit hoher Oberfläche
WO2015081508A1 (zh) * 2013-12-04 2015-06-11 宁夏东方钽业股份有限公司 一种超高比容钽粉末的团化方法及由该方法制备的钽粉
AT14301U1 (de) * 2014-07-09 2015-07-15 Plansee Se Verfahren zur Herstellung eines Bauteils
CN104209512B (zh) * 2014-09-05 2018-01-16 宁夏东方钽业股份有限公司 一种中压钽粉及其制备方法
US10290430B2 (en) 2014-11-24 2019-05-14 Avx Corporation Wet Electrolytic Capacitor for an Implantable Medical Device
RU2740582C1 (ru) * 2020-07-21 2021-01-15 федеральное государственное бюджетное образовательное учреждение высшего образования "Пермский национальный исследовательский политехнический университет" Способ изготовления анодов танталового конденсатора
CN116148296B (zh) * 2023-04-19 2023-08-25 中国科学院过程工程研究所 含金属固体物料自动化xrf检测集成装置的检测方法

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5986877A (en) * 1996-04-25 1999-11-16 Cabot Corporation Tantalum metal power with controlled size distribution and products made therefrom
US6238456B1 (en) * 1997-02-19 2001-05-29 H. C. Starck Gmbh & Co. Kg Tantalum powder, method for producing same powder and sintered anodes obtained from it
US20030230167A1 (en) * 2002-03-12 2003-12-18 Josua Loeffelholz Valve metal powders and process for producing them

Family Cites Families (18)

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Publication number Priority date Publication date Assignee Title
US3825802A (en) * 1973-03-12 1974-07-23 Western Electric Co Solid capacitor
US4009007A (en) * 1975-07-14 1977-02-22 Fansteel Inc. Tantalum powder and method of making the same
US5217526A (en) * 1991-05-31 1993-06-08 Cabot Corporation Fibrous tantalum and capacitors made therefrom
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
PT964936E (pt) * 1997-02-19 2002-03-28 Starck H C Gmbh Po de tantalo seu processo de producao e anodos sinterizados produzidos a partir deste po
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
CN1069564C (zh) * 1998-07-07 2001-08-15 宁夏有色金属冶炼厂 钽粉末的制造方法
DE19847012A1 (de) * 1998-10-13 2000-04-20 Starck H C Gmbh Co Kg Niobpulver und Verfahren zu dessen Herstellung
JP2001148326A (ja) * 1999-11-19 2001-05-29 Matsushita Electric Ind Co Ltd タンタル固体電解コンデンサの製造方法および製造装置
JP3806567B2 (ja) * 2000-01-17 2006-08-09 三洋電機株式会社 固体電解コンデンサの製造方法及び製造装置
JP2002060803A (ja) * 2000-08-10 2002-02-28 Showa Kyabotto Super Metal Kk 電解コンデンサ用タンタル焼結体の製造方法
US6611421B2 (en) * 2000-09-08 2003-08-26 Avx Corporation Non-polarized tantalum capacitor and capacitor array
CN1169643C (zh) * 2001-09-29 2004-10-06 宁夏东方钽业股份有限公司 高比表面积钽粉和/或铌粉的制备方法
US6791821B1 (en) * 2001-10-16 2004-09-14 Yosemite Investment, Inc. Tantalum-carbon hybrid capacitor with activated carbon
WO2004110684A2 (en) * 2003-06-10 2004-12-23 Cabot Corporation Tantalum powders and methods of producing same
RU2236930C1 (ru) * 2003-06-24 2004-09-27 Институт химии и технологии редких элементов и минерального сырья им. И.В. Тананаева Кольского научного центра РАН Способ получения легированного порошка вентильного металла
US7116548B2 (en) * 2004-04-23 2006-10-03 Kemet Electronics Corporation Fluted anode with minimal density gradients and capacitor comprising same
US6952339B1 (en) * 2004-05-13 2005-10-04 Todd Knowles Tantalum capacitor case with increased volumetric efficiency

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5986877A (en) * 1996-04-25 1999-11-16 Cabot Corporation Tantalum metal power with controlled size distribution and products made therefrom
US6238456B1 (en) * 1997-02-19 2001-05-29 H. C. Starck Gmbh & Co. Kg Tantalum powder, method for producing same powder and sintered anodes obtained from it
US20030230167A1 (en) * 2002-03-12 2003-12-18 Josua Loeffelholz Valve metal powders and process for producing them

Also Published As

Publication number Publication date
ZA200702885B (en) 2008-08-27
TW200626260A (en) 2006-08-01
CN101035640B (zh) 2011-05-25
JP5193341B2 (ja) 2013-05-08
WO2006037497A1 (de) 2006-04-13
MX2007003962A (es) 2008-03-13
CN101035640A (zh) 2007-09-12
ATE517707T1 (de) 2011-08-15
DE102004049040B4 (de) 2008-11-27
EP1843868A1 (de) 2007-10-17
SV2006002260A (es) 2006-06-26
JP2012019223A (ja) 2012-01-26
AU2005291557A1 (en) 2006-04-13
US20080094779A1 (en) 2008-04-24
BRPI0516563B1 (pt) 2014-03-11
KR101285491B1 (ko) 2013-07-12
RU2414990C2 (ru) 2011-03-27
PT1843868E (pt) 2011-09-19
IL203658A (en) 2012-12-31
KR20070053369A (ko) 2007-05-23
BRPI0516563A (pt) 2008-09-09
IL182216A0 (en) 2007-09-20
JP5150256B2 (ja) 2013-02-20
TWI386263B (zh) 2013-02-21
DE102004049040A1 (de) 2006-04-13
JP2008516432A (ja) 2008-05-15
EP1843868B1 (de) 2011-07-27
US7898794B2 (en) 2011-03-01
RU2007116851A (ru) 2008-11-20

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Date Code Title Description
FGA Letters patent sealed or granted (standard patent)
MK14 Patent ceased section 143(a) (annual fees not paid) or expired