AU2000268772A1 - Production of nitrogen-containing tantalum or niobium powder and solid electrolytic capacitor - Google Patents

Production of nitrogen-containing tantalum or niobium powder and solid electrolytic capacitor

Info

Publication number
AU2000268772A1
AU2000268772A1 AU2000268772A AU6877200A AU2000268772A1 AU 2000268772 A1 AU2000268772 A1 AU 2000268772A1 AU 2000268772 A AU2000268772 A AU 2000268772A AU 6877200 A AU6877200 A AU 6877200A AU 2000268772 A1 AU2000268772 A1 AU 2000268772A1
Authority
AU
Australia
Prior art keywords
nitrogen
metallic powder
metal
electrolytic capacitor
powder
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.)
Abandoned
Application number
AU2000268772A
Other languages
English (en)
Inventor
Tomoo Izumi
Yoshikazu Noguchi
Yukio Oda
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 Supermetals KK
Original Assignee
Showa Cabot Supermetals KK
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=18555954&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=AU2000268772(A1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Showa Cabot Supermetals KK filed Critical Showa Cabot Supermetals KK
Publication of AU2000268772A1 publication Critical patent/AU2000268772A1/en
Abandoned 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
    • H01G9/048—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
    • 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
    • B22F1/054—Nanosized particles
    • 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
    • B22F1/054—Nanosized particles
    • B22F1/056—Submicron particles having a size above 100 nm up to 300 nm
    • 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
    • B22F9/00—Making metallic powder or suspensions thereof
    • B22F9/16—Making metallic powder or suspensions thereof using chemical processes
    • B22F9/18—Making metallic powder or suspensions thereof using chemical processes with reduction of metal compounds
    • B22F9/24—Making metallic powder or suspensions thereof using chemical processes with reduction of metal compounds starting from liquid metal compounds, e.g. solutions
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B82—NANOTECHNOLOGY
    • B82Y—SPECIFIC USES OR APPLICATIONS OF NANOSTRUCTURES; MEASUREMENT OR ANALYSIS OF NANOSTRUCTURES; MANUFACTURE OR TREATMENT OF NANOSTRUCTURES
    • B82Y30/00—Nanotechnology for materials or surface science, e.g. nanocomposites
    • 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
    • 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
    • B22F2999/00—Aspects linked to processes or compositions used in powder metallurgy

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Nanotechnology (AREA)
  • Inorganic Chemistry (AREA)
  • Materials Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Power Engineering (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • General Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Manufacturing & Machinery (AREA)
  • Physics & Mathematics (AREA)
  • Composite Materials (AREA)
  • Condensed Matter Physics & Semiconductors (AREA)
  • General Physics & Mathematics (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Powder Metallurgy (AREA)
  • Manufacture Of Metal Powder And Suspensions Thereof (AREA)
  • Conductive Materials (AREA)
  • Inorganic Compounds Of Heavy Metals (AREA)
AU2000268772A 2000-02-08 2000-09-11 Production of nitrogen-containing tantalum or niobium powder and solid electrolytic capacitor Abandoned AU2000268772A1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP2000031029A JP4049964B2 (ja) 2000-02-08 2000-02-08 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
JP2000-31029 2000-02-08
PCT/JP2000/006183 WO2001059166A1 (en) 2000-02-08 2000-09-11 Production of nitrogen-containing tantalum or niobium powder and solid electrolytic capacitor

Publications (1)

Publication Number Publication Date
AU2000268772A1 true AU2000268772A1 (en) 2001-08-20

Family

ID=18555954

Family Applications (1)

Application Number Title Priority Date Filing Date
AU2000268772A Abandoned AU2000268772A1 (en) 2000-02-08 2000-09-11 Production of nitrogen-containing tantalum or niobium powder and solid electrolytic capacitor

Country Status (13)

Country Link
EP (1) EP1255872B1 (enExample)
JP (1) JP4049964B2 (enExample)
KR (1) KR20020092362A (enExample)
CN (1) CN1180101C (enExample)
AT (1) ATE245712T1 (enExample)
AU (1) AU2000268772A1 (enExample)
BR (2) BR0016331B1 (enExample)
CZ (1) CZ301396B6 (enExample)
DE (1) DE60004108T2 (enExample)
IL (1) IL150851A (enExample)
PL (1) PL357016A1 (enExample)
PT (1) PT1255872E (enExample)
WO (1) WO2001059166A1 (enExample)

Families Citing this family (22)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
WO2003032344A1 (fr) * 2001-10-02 2003-04-17 Showa Denko K.K. Poudre de niobium, compact fritte associe, produit modifie chimiquement associe et condensateur utilisant lesdits compact et produit
BR0204587A (pt) 2002-11-04 2004-06-29 Cbmm Sa Processo de produção de pó de nióbio e/ou de tântalo de elevada área superficial
US7157073B2 (en) 2003-05-02 2007-01-02 Reading Alloys, Inc. Production of high-purity niobium monoxide and capacitor production therefrom
EP1690617B1 (en) 2003-11-05 2018-01-10 Ishihara Chemical Co., Ltd. Process for production of ultrafine alloy particles
EP1736261B1 (en) 2004-04-15 2008-12-17 JFE Mineral Company, Ltd. Tantalum powder and solid electrolytic capacitor utilizing the same
US7431751B2 (en) * 2004-09-29 2008-10-07 H.C. Starck Inc. Magnesium removal from magnesium reduced metal powders
WO2006038720A1 (ja) * 2004-10-06 2006-04-13 Showa Denko K.K. ニオブ粉、ニオブ造粒物、ニオブ焼結体及びコンデンサ並びにそれらの製造方法
US20060269436A1 (en) * 2005-05-31 2006-11-30 Cabot Corporation Process for heat treating metal powder and products made from the same
JP4879040B2 (ja) 2006-03-31 2012-02-15 三洋電機株式会社 固体電解コンデンサ
CZ306436B6 (cs) * 2006-05-05 2017-01-25 Cabot Corporation Tantalový prášek a způsob jeho výroby a anoda elektrolytického kondenzátoru
JP2009275289A (ja) * 2009-07-10 2009-11-26 Cabot Supermetal Kk 窒素含有金属粉末の製造方法
JP5680866B2 (ja) * 2010-02-24 2015-03-04 グローバルアドバンストメタルジャパン株式会社 窒素含有金属粉末の製造方法
US9764388B2 (en) * 2013-12-10 2017-09-19 Ningxia Orient Tantalum Industry Co., Ltd. Method for preparing tantalum powder of capacitor grade with high nitrogen content, tantalum powder of capacitor grade prepared thereby, and anode and capacitor prepared from tantalum powder
JP5898297B2 (ja) * 2014-11-20 2016-04-06 グローバルアドバンストメタルジャパン株式会社 窒素含有金属粉末の製造方法
IL264192B2 (en) * 2016-07-13 2023-12-01 Ningxia Orient Tantalum Ind Co Ltd Flaked tantalum powder and preparation method thereof
US20180144874A1 (en) 2016-10-21 2018-05-24 Global Advanced Metals, Usa, Inc. Tantalum Powder, Anode, And Capacitor Including Same, And Manufacturing Methods Thereof
CN111017889A (zh) * 2019-11-20 2020-04-17 中色（宁夏）东方集团有限公司 一种氮化铌的制备方法
US12424391B2 (en) 2020-08-27 2025-09-23 Panasonic Intellectual Property Management Co., Ltd. Electrode foil for electrolytic capacitors, electrolytic capacitor, method for producing electrode foil for electrolytic capacitors, and method for producing electrolytic capacitor
US12100561B2 (en) * 2020-09-23 2024-09-24 KYOCERA AVX Components Corporation Solid electrolytic capacitor containing a deoxidized anode
CN117020215B (zh) * 2021-12-15 2025-12-12 宁夏东方钽业股份有限公司 采用碱土金属还原氧化钽生产电容器用钽粉的方法
CN117444193A (zh) * 2023-11-24 2024-01-26 宁夏东方钽业股份有限公司 一种钽粉及钽粉的制备方法

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4684399A (en) * 1986-03-04 1987-08-04 Cabot Corporation Tantalum powder process
WO1991018121A1 (en) * 1990-05-17 1991-11-28 Cabot Corporation Method of producing high surface area low metal impurity tantalum powder
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
EP0665302B1 (en) * 1994-01-26 2000-05-03 H.C. Starck, INC. Nitriding tantalum powder
EP0964936B1 (de) 1997-02-19 2001-10-04 H.C. Starck GmbH & Co. KG Tantal-pulver, verfahren zu seiner herstellung, sowie daraus erhältliche sinteranoden

Also Published As

Publication number Publication date
IL150851A (en) 2009-09-22
BR0016331A (pt) 2002-12-24
ATE245712T1 (de) 2003-08-15
PT1255872E (pt) 2004-01-30
WO2001059166A1 (en) 2001-08-16
DE60004108D1 (de) 2003-08-28
JP4049964B2 (ja) 2008-02-20
CN1180101C (zh) 2004-12-15
BR0016331B1 (pt) 2008-11-18
EP1255872A1 (en) 2002-11-13
BR0017498B1 (pt) 2014-09-30
CN1433485A (zh) 2003-07-30
EP1255872B1 (en) 2003-07-23
DE60004108T2 (de) 2004-06-03
JP2001223141A (ja) 2001-08-17
CZ301396B6 (cs) 2010-02-17
PL357016A1 (en) 2004-07-12
CZ20022680A3 (cs) 2003-04-16
KR20020092362A (ko) 2002-12-11

Similar Documents

Publication Publication Date Title
PL357016A1 (en) Production of nitrogen-containing tantalum or niobium powder and solid electrolytic capacitor
TW200623175A (en) Porous anode body for solid electrolytic capacitor, production method thereof and solid electrolytic capacitor
IL146367A0 (en) High capacitance niobium powders and electrolytic capacitor anodes
IL139430A0 (en) Nitrided niobium powders and niobium electrolytic capacitors
TW200511341A (en) Valve acting metal sintered body, production method therefore and solid electrolytic capacitor
WO2002052664A3 (en) Novel compositions for use in batteries, capacitors, fuel cells and for hydrogen production
TW200517506A (en) Niobium suboxide powder
AU6706194A (en) A process for making an improved tantalum powder and high capacitance low leakage electrode made therefrom
AU1352101A (en) Inert anode containing oxides of nickel, iron and cobalt useful for the electrolytic production of metals
TW430833B (en) Niobium sintered body for capacitor and process for producing same
WO2004103906A3 (en) Methods of making a niobium metal oxide and oxygen reduced niobium oxides
JP2003505586A5 (enExample)
WO2008033560A8 (en) Metal getter systems
EP1826297A3 (en) Anodizing electrolytes using a dual acid system for high voltage electrolytic capacitor anodes
EP1418012A4 (en) NITROGEN-BASED METAL POWDER AND METHOD FOR THE PRODUCTION THEREOF; AND POROUS SINTERED PRODUCT AND THIS FIXED ELECTROLYTE CONDENSER
EP1409770A4 (en) REDUCTION OF METAL OXIDES IN AN ELECTROLYZE CELL
TW200506985A (en) Sintered body electrode and solid electrolytic capacitor using the sintered body electrode
GB2409466A (en) A process for the production of niobium and/or tantalum powder with large surface area
WO2004100283A3 (de) Elektrolyt zum elektrochemischen polieren von metalloberflächen
TW200602140A (en) Tantalum powder, and solid electrolyte capacitor using it
AU2003231526A1 (en) Niobium powder, sintered body thereof and capacitor using the same
EP3893258B1 (en) Electrolytic capacitor having a tantalum anode
AU3669800A (en) Solid electrolytic capacitor and method for producing the same
US12119186B2 (en) Electrolytic capacitor having an anode formed from a tantalum powder with a relatively low specific charge
BR0207200A (pt) Substratos de tântalo/silìcio e nióbio/silìcio para anodos de capacitor