HK59697A - A process for making an improved tantalum powder and high capacitance low leakage electrode made therefrom - Google Patents

A process for making an improved tantalum powder and high capacitance low leakage electrode made therefrom

Info

Publication number
HK59697A
HK59697A HK59697A HK59697A HK59697A HK 59697 A HK59697 A HK 59697A HK 59697 A HK59697 A HK 59697A HK 59697 A HK59697 A HK 59697A HK 59697 A HK59697 A HK 59697A
Authority
HK
Hong Kong
Prior art keywords
making
electrode made
made therefrom
low leakage
high capacitance
Prior art date
Application number
HK59697A
Other languages
English (en)
Inventor
Hongju Chang
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 HK59697A publication Critical patent/HK59697A/xx

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
    • H01G9/048Electrodes or formation of dielectric layers thereon characterised by their structure
    • H01G9/052Sintered electrodes
    • H01G9/0525Powder therefor
    • CCHEMISTRY; METALLURGY
    • C22METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22CALLOYS
    • C22C1/00Making non-ferrous alloys
    • C22C1/04Making non-ferrous alloys by powder metallurgy
    • C22C1/045Alloys based on refractory metals

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Power Engineering (AREA)
  • Metallurgy (AREA)
  • Materials Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Organic Chemistry (AREA)
  • Powder Metallurgy (AREA)
  • Manufacture Of Metal Powder And Suspensions Thereof (AREA)
  • Inorganic Insulating Materials (AREA)
  • Inorganic Compounds Of Heavy Metals (AREA)
  • Compositions Of Oxide Ceramics (AREA)
  • Semiconductor Integrated Circuits (AREA)
HK59697A 1993-04-26 1997-05-08 A process for making an improved tantalum powder and high capacitance low leakage electrode made therefrom HK59697A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US08/052,876 US5448447A (en) 1993-04-26 1993-04-26 Process for making an improved tantalum powder and high capacitance low leakage electrode made therefrom
PCT/US1994/004207 WO1994025971A1 (en) 1993-04-26 1994-04-15 A process for making an improved tantalum powder and high capacitance low leakage electrode made therefrom

Publications (1)

Publication Number Publication Date
HK59697A true HK59697A (en) 1997-05-16

Family

ID=21980485

Family Applications (1)

Application Number Title Priority Date Filing Date
HK59697A HK59697A (en) 1993-04-26 1997-05-08 A process for making an improved tantalum powder and high capacitance low leakage electrode made therefrom

Country Status (15)

Country Link
US (1) US5448447A (ko)
EP (1) EP0647349B1 (ko)
JP (1) JP3174341B2 (ko)
KR (1) KR100293304B1 (ko)
CN (2) CN1143333C (ko)
AT (1) ATE146299T1 (ko)
AU (1) AU6706194A (ko)
CZ (2) CZ293364B6 (ko)
DE (1) DE69401112T2 (ko)
HK (1) HK59697A (ko)
RU (1) RU2154871C2 (ko)
SG (1) SG52629A1 (ko)
TW (1) TW439076B (ko)
UA (1) UA41325C2 (ko)
WO (1) WO1994025971A1 (ko)

Families Citing this family (108)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5580367A (en) * 1987-11-30 1996-12-03 Cabot Corporation Flaked tantalum powder and method of using same flaked tantalum powder
DE69516556T2 (de) * 1994-01-26 2000-09-07 H.C. Starck, Inc. Verfahren zum Nitrieren von Tantalpulver
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
US20030145682A1 (en) * 1994-08-01 2003-08-07 Kroftt-Brakston International, Inc. Gel of elemental material or alloy and liquid metal and salt
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
US6165623A (en) 1996-11-07 2000-12-26 Cabot Corporation Niobium powders and niobium electrolytic capacitors
US5869196A (en) * 1996-12-20 1999-02-09 Composite Material Technology, Inc. Constrained filament electrolytic anode and process of fabrication
US5825611A (en) * 1997-01-29 1998-10-20 Vishay Sprague, Inc. Doped sintered tantalum pellets with nitrogen in a capacitor
WO1998037249A1 (de) 1997-02-19 1998-08-27 H.C. Starck Gmbh & Co. Kg Tantalpulver, verfahren zu seiner herstellung, sowie daraus erhältliche sinteranoden
JP3254163B2 (ja) 1997-02-28 2002-02-04 昭和電工株式会社 コンデンサ
US6051044A (en) * 1998-05-04 2000-04-18 Cabot Corporation Nitrided niobium powders and niobium electrolytic capacitors
BRPI9917635B1 (pt) * 1998-05-06 2017-06-06 Starck H C Gmbh Co Kg pó de nióbio na forma de partículas aglomeradas primárias e método para a obtenção de um anodo de capacitor
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
US6576038B1 (en) * 1998-05-22 2003-06-10 Cabot Corporation Method to agglomerate metal particles and metal particles having improved properties
AU5065099A (en) * 1998-08-05 2000-02-28 Showa Denko Kabushiki Kaisha Sinter of niobium for capacitor, and method of manufacture thereof
US6416730B1 (en) 1998-09-16 2002-07-09 Cabot Corporation Methods to partially reduce a niobium metal oxide oxygen reduced niobium oxides
US6322912B1 (en) * 1998-09-16 2001-11-27 Cabot Corporation Electrolytic capacitor anode of valve metal oxide
US6391275B1 (en) 1998-09-16 2002-05-21 Cabot Corporation Methods to partially reduce a niobium metal oxide and oxygen reduced niobium oxides
US6462934B2 (en) 1998-09-16 2002-10-08 Cabot Corporation Methods to partially reduce a niobium metal oxide and oxygen reduced niobium oxides
DE69933792T3 (de) 1998-12-15 2012-09-27 Showa Denko K.K. Niobkondensator und verfahren zu dessen herstellung
US6515846B1 (en) * 1999-02-08 2003-02-04 H.C. Starck, Inc. Capacitor substrates made of refractory metal nitrides
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
CN100381234C (zh) 1999-03-19 2008-04-16 卡伯特公司 通过研磨制备铌和其它金属粉末
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
US6960237B2 (en) 1999-07-15 2005-11-01 Showa Denko Kabushiki Kaisha Niobium powder, sintered body thereof 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
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
JP3585791B2 (ja) * 1999-11-04 2004-11-04 Necトーキン株式会社 固体電解コンデンサ用陽極体の製造方法及びその製造方法に用いられる連続焼結装置
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
US6432161B1 (en) * 2000-02-08 2002-08-13 Cabot Supermetals K.K. Nitrogen-containing metal powder, production process thereof, and porous sintered body and solid electrolytic capacitor using the metal powder
JP4049964B2 (ja) * 2000-02-08 2008-02-20 キャボットスーパーメタル株式会社 窒素含有金属粉末およびその製造方法ならびにそれを用いた多孔質焼結体および固体電解コンデンサー
CA2401779A1 (en) * 2000-03-01 2001-09-07 Cabot Corporation Nitrided valve metals and processes for making the same
US6576099B2 (en) 2000-03-23 2003-06-10 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
JP4986272B2 (ja) 2000-04-24 2012-07-25 昭和電工株式会社 ニオブ粉、その焼結体及びコンデンサ
DE10030387A1 (de) * 2000-06-21 2002-01-03 Starck H C Gmbh Co Kg Kondensatorpulver
BR0113215A (pt) 2000-08-10 2005-02-01 Showa Denko Kk Pó de nióbio, corpo sinterizado e capacitor usando o corpo
US6652619B2 (en) * 2000-08-10 2003-11-25 Showa Denko K.K. Niobium powder, sintered body thereof, and capacitor using the same
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
US6554884B1 (en) * 2000-10-24 2003-04-29 H.C. Starck, Inc. Tantalum and tantalum nitride powder mixtures for electrolytic capacitors substrates
KR20030046520A (ko) * 2000-11-06 2003-06-12 캐보트 코포레이션 개질된 산소 환원된 밸브 금속 산화물
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
US6447570B1 (en) * 2000-11-30 2002-09-10 Vishay Sprague, Inc. Sintered Tantalum and Niobium capacitor pellets doped with Nitrogen, and method of making the same
KR100812689B1 (ko) * 2000-12-01 2008-03-13 쇼와 덴코 가부시키가이샤 커패시터용 니오브 분말, 그 소결체 및 소결체를 이용한커패시터
JP4521849B2 (ja) * 2000-12-01 2010-08-11 昭和電工株式会社 コンデンサ用ニオブ粉と該ニオブ粉を用いた焼結体および該焼結体を用いたコンデンサ
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
JP3965300B2 (ja) * 2002-01-18 2007-08-29 Necトーキン株式会社 Nb固体電解コンデンサおよびその製造方法
JP2004076063A (ja) * 2002-08-13 2004-03-11 Kawatetsu Mining Co Ltd ニオブ合金粉末、固体電解コンデンサ用アノード及び固体電解コンデンサ
AU2003273279B2 (en) 2002-09-07 2007-05-03 Cristal Us, Inc. Process for separating ti from a ti slurry
AU2003263082A1 (en) 2002-10-07 2004-05-04 International Titanium Powder, Llc. System and method of producing metals and alloys
US7655214B2 (en) * 2003-02-26 2010-02-02 Cabot Corporation Phase formation of oxygen reduced valve metal oxides and granulation methods
US7445679B2 (en) * 2003-05-16 2008-11-04 Cabot Corporation Controlled oxygen addition for metal material
EP2455340A1 (en) 2003-05-19 2012-05-23 Cabot Corporation Valve metal sub-oxide powders and capacitors and sintered anode bodies made therefrom
JP2007511667A (ja) * 2003-06-10 2007-05-10 キャボット コーポレイション タンタル粉末およびその製造方法
EP1683167B1 (en) * 2003-11-10 2012-04-18 Showa Denko K.K. Niobium powder for capacitor, niobium sintered body and capacitor
US7803235B2 (en) * 2004-01-08 2010-09-28 Cabot Corporation Passivation of tantalum and other metal powders using oxygen
DE102004002109A1 (de) * 2004-01-14 2005-08-11 Deutsche Telekom Ag Behandlung von Kristallen zur Vermeidung lichtinduzierter Änderungen des Brechungsindex
JP2008504692A (ja) * 2004-06-28 2008-02-14 キャボット コーポレイション 高キャパシタンスのタンタルフレークス及びその生産方法
US20080011124A1 (en) * 2004-09-08 2008-01-17 H.C. Starck Gmbh & Co. Kg Deoxidation of Valve Metal Powders
US7431751B2 (en) * 2004-09-29 2008-10-07 H.C. Starck Inc. Magnesium removal from magnesium reduced metal powders
US7099143B1 (en) 2005-05-24 2006-08-29 Avx Corporation Wet electrolytic capacitors
US20070017319A1 (en) 2005-07-21 2007-01-25 International Titanium Powder, Llc. Titanium alloy
WO2007044635A2 (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
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
WO2007130483A2 (en) * 2006-05-05 2007-11-15 Cabot Corporation Tantalum powder with smooth surface and methods of manufacturing same
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
US7649730B2 (en) 2007-03-20 2010-01-19 Avx Corporation Wet electrolytic capacitor containing a plurality of thin powder-formed 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
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
US7837743B2 (en) * 2007-09-24 2010-11-23 Medtronic, Inc. Tantalum anodes for high voltage capacitors employed by implantable medical devices and fabrication thereof
JP2011500962A (ja) * 2007-10-15 2011-01-06 ハイ−テンプ・スペシャルティー・メタルス・インコーポレーテッド 再生スクラップを原材料として使用したタンタル粉末の生産方法
BRPI0802018B1 (pt) 2008-04-30 2019-01-29 Univ Minas Gerais processo de síntese de nanotubos de carbono sobre o clínquer de cimento e compósito nanoestruturado
DE102008026304A1 (de) * 2008-06-02 2009-12-03 H.C. Starck Gmbh Verfahren zur Herstellung von Elektrolytkondensatoren mit niedrigem Leckstrom
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
JP2009275289A (ja) * 2009-07-10 2009-11-26 Cabot Supermetal Kk 窒素含有金属粉末の製造方法
US8619410B2 (en) * 2010-06-23 2013-12-31 Avx Corporation Solid electrolytic capacitor for use in high voltage applications
RU2446499C1 (ru) * 2010-11-01 2012-03-27 Открытое акционерное общество "Элеконд" (ОАО "Элеконд") Способ изготовления анодов объемно-пористых электролитических конденсаторов
US8687347B2 (en) 2011-01-12 2014-04-01 Avx Corporation Planar anode for use in a wet electrolytic capacitor
DE102013101443A1 (de) * 2012-03-01 2013-09-05 Avx Corporation Ultrahigh voltage solid electrolytic capacitor
CN102773478A (zh) * 2012-07-10 2012-11-14 中国振华(集团)新云电子元器件有限责任公司 一种提高钽块机械强度的烧结方法
US9548163B2 (en) 2012-07-19 2017-01-17 Avx Corporation Solid electrolytic capacitor with improved performance at high voltages
JP2013136841A (ja) * 2013-01-30 2013-07-11 Cabot Supermetal Kk 窒素含有金属粉末の製造方法
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
US9312075B1 (en) * 2013-09-06 2016-04-12 Greatbatch Ltd. High voltage tantalum anode and method of manufacture
CA3176263A1 (en) 2013-12-20 2015-06-25 Fisher & Paykel Healthcare Limited Humidification system connections
WO2015093154A1 (ja) * 2013-12-20 2015-06-25 昭和電工株式会社 タングステン粉、コンデンサの陽極体、及び電解コンデンサ
JP6977021B2 (ja) * 2016-07-13 2021-12-08 ニンシア オリエント タンタル インダストリー カンパニー、 リミテッド 薄片状タンタル粉末およびその調製方法
CN109715320A (zh) 2016-08-12 2019-05-03 复合材料技术公司 电解电容器和改进电解电容器阳极的方法
EP3507242B1 (en) 2016-09-01 2021-07-14 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
CN112105471B (zh) 2018-03-05 2023-07-11 全球先进金属美国股份有限公司 含有球形粉末的阳极和电容器
US20220023942A1 (en) 2018-12-12 2022-01-27 Global Advanced Metals Usa, Inc. Spherical Niobium Alloy Powder, Products Containing The Same, And Methods Of Making The Same
CN110760884A (zh) * 2019-11-06 2020-02-07 南通冠达粉末冶金有限公司 一种粉末冶金辅助材料的制备工艺
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
US11450486B2 (en) * 2020-04-03 2022-09-20 Greatbatch Ltd. Electrolytic capacitor having a tantalum anode
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

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3427132A (en) * 1967-04-12 1969-02-11 Nat Res Corp Tantalum nitride powder and method for its preparation
FR2218633B1 (ko) * 1973-02-19 1977-07-22 Lignes Telegraph Telephon
US3825802A (en) * 1973-03-12 1974-07-23 Western Electric Co Solid capacitor
DE2610224C2 (de) * 1976-03-11 1983-01-05 Fa. Hermann C. Starck Berlin, 1000 Berlin Verfahren zur Herstellung von porösen Anodenkörpern durch Pressen und Sintern von Pulvern aus Ventilmetallen
JPS5349254A (en) * 1976-10-15 1978-05-04 Fujitsu Ltd Method of manufacturing tantalum nitride electrolytic capacitor
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
US4423004A (en) * 1983-03-24 1983-12-27 Sprague Electric Company Treatment of tantalum powder
US4544403A (en) * 1984-11-30 1985-10-01 Fansteel Inc. High charge, low leakage tantalum powders
JPS6386509A (ja) * 1986-09-30 1988-04-16 松下電器産業株式会社 タンタル多孔質焼結体

Also Published As

Publication number Publication date
KR100293304B1 (ko) 2001-10-24
TW439076B (en) 2001-06-07
CN1108036A (zh) 1995-09-06
DE69401112T2 (de) 1997-04-03
JPH07508618A (ja) 1995-09-21
ATE146299T1 (de) 1996-12-15
CN1046878C (zh) 1999-12-01
RU94046324A (ru) 1996-10-27
RU2154871C2 (ru) 2000-08-20
AU6706194A (en) 1994-11-21
UA41325C2 (uk) 2001-09-17
WO1994025971A1 (en) 1994-11-10
CN1143333C (zh) 2004-03-24
CN1236177A (zh) 1999-11-24
EP0647349B1 (en) 1996-12-11
SG52629A1 (en) 1998-09-28
DE69401112D1 (de) 1997-01-23
JP3174341B2 (ja) 2001-06-11
CZ315994A3 (en) 1995-12-13
CZ293364B6 (cs) 2004-04-14
US5448447A (en) 1995-09-05
EP0647349A1 (en) 1995-04-12
CZ292006B6 (cs) 2003-07-16

Similar Documents

Publication Publication Date Title
HK59697A (en) A process for making an improved tantalum powder and high capacitance low leakage electrode made therefrom
US6115235A (en) Capacitor
DE60022357D1 (de) Niobiumpulver und daraus hergestellte elektrolytische kondensatoren mit hoher kapazität
IL139430A0 (en) Nitrided niobium powders and niobium electrolytic capacitors
EP0367068A3 (en) Capacitor grade tantalum powder
TW430833B (en) Niobium sintered body for capacitor and process for producing same
DE3570008D1 (en) Tantalum powders for the manufacture of electrodes for electrolytic capacitors with a high charge and low leakage current
SG98055A1 (en) An anode member for a solid electrolytic capacitor, an electrolytic capacitor using the same, and method of making the same
AU2000268772A1 (en) Production of nitrogen-containing tantalum or niobium powder and solid electrolytic capacitor
EP1204126A4 (en) NIOBIUM POWDER, SINTERED BODY BASED ON SAME, AND CAPACITOR COMPRISING SAME
MY132666A (en) Niobium powders and niobium electrolytic capacitors
AU7448900A (en) Capacitor powder composition, sintered body made of the composition, and capacitor made of the sintered body
EP1075884A3 (en) Niobium powders and niobium electrolytic capacitors
KR950003863B1 (ko) 칩형(chip type) 탄탈 전해콘덴서의 성형방법
Zhong et al. Carbothermic Reduction of Tantalum Oxide--a Still Effective Method for Production of Capacitor Grade Tantalum Powder
IE43055L (en) Electrode for an electrolytic capacitor

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: 20060415