ATE388779T1 - Niobpulver, dessen sintermasse und kondensator - Google Patents

Niobpulver, dessen sintermasse und kondensator

Info

Publication number
ATE388779T1
ATE388779T1 AT01921995T AT01921995T ATE388779T1 AT E388779 T1 ATE388779 T1 AT E388779T1 AT 01921995 T AT01921995 T AT 01921995T AT 01921995 T AT01921995 T AT 01921995T AT E388779 T1 ATE388779 T1 AT E388779T1
Authority
AT
Austria
Prior art keywords
capacitor
oxygen
niobium powder
niobium
powder
Prior art date
Application number
AT01921995T
Other languages
English (en)
Inventor
Kazumi Naito
Nobuyuki Nagato
Original Assignee
Showa Denko 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=18633121&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=ATE388779(T1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Showa Denko Kk filed Critical Showa Denko Kk
Application granted granted Critical
Publication of ATE388779T1 publication Critical patent/ATE388779T1/de

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
    • 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
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C27/00—Alloys based on rhenium or a refractory metal not mentioned in groups C22C14/00 or C22C16/00
    • C22C27/02—Alloys based on vanadium, niobium, or tantalum
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/29—Coated or structually defined flake, particle, cell, strand, strand portion, rod, filament, macroscopic fiber or mass thereof
    • Y10T428/2982—Particulate matter [e.g., sphere, flake, etc.]
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/29—Coated or structually defined flake, particle, cell, strand, strand portion, rod, filament, macroscopic fiber or mass thereof
    • Y10T428/2982—Particulate matter [e.g., sphere, flake, etc.]
    • Y10T428/2991—Coated
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/31504—Composite [nonstructural laminate]

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Metallurgy (AREA)
  • Power Engineering (AREA)
  • Organic Chemistry (AREA)
  • Materials Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Powder Metallurgy (AREA)
  • Compositions Of Oxide Ceramics (AREA)
  • Ceramic Capacitors (AREA)
  • Soft Magnetic Materials (AREA)
  • Disintegrating Or Milling (AREA)
  • Manufacture And Refinement Of Metals (AREA)
AT01921995T 2000-04-24 2001-04-23 Niobpulver, dessen sintermasse und kondensator ATE388779T1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2000122672 2000-04-24

Publications (1)

Publication Number Publication Date
ATE388779T1 true ATE388779T1 (de) 2008-03-15

Family

ID=18633121

Family Applications (1)

Application Number Title Priority Date Filing Date
AT01921995T ATE388779T1 (de) 2000-04-24 2001-04-23 Niobpulver, dessen sintermasse und kondensator

Country Status (9)

Country Link
US (1) US6671164B2 (de)
EP (1) EP1281460B1 (de)
JP (1) JP4986272B2 (de)
CN (1) CN1226112C (de)
AT (1) ATE388779T1 (de)
AU (1) AU2001248826A1 (de)
BR (1) BR0110333A (de)
DE (1) DE60133192T2 (de)
WO (1) WO2001081029A1 (de)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2002045108A1 (en) * 2000-11-30 2002-06-06 Showa Denko K.K. Niobium powder for capacitor, sintered body thereof and capacitor using the sintered body
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
US20060260437A1 (en) * 2004-10-06 2006-11-23 Showa Denko K.K. Niobium powder, niobium granulated powder, niobium sintered body, capacitor and production method thereof
BRPI0611507B1 (pt) 2005-06-03 2017-01-17 Starck H C Gmbh pó de subóxido de nióbio, seu uso e seu processo de fabricação
JP5763932B2 (ja) * 2011-02-02 2015-08-12 Ｎｅｃトーキン株式会社 固体電解コンデンサおよびその製造方法
CN113770366A (zh) * 2020-06-10 2021-12-10 安泰科技股份有限公司 一种制备难熔金属3d打印用粉的方法

Family Cites Families (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1219748A (en) 1969-06-13 1971-01-20 Standard Telephones Cables Ltd Producing niobium or tantalum powder
US4084965A (en) 1977-01-05 1978-04-18 Fansteel Inc. Columbium powder and method of making the same
US4149876A (en) 1978-06-06 1979-04-17 Fansteel Inc. Process for producing tantalum and columbium powder
JPS60121207A (ja) 1983-12-01 1985-06-28 Toyo Soda Mfg Co Ltd 超微粒子の製造方法
JP2665928B2 (ja) * 1988-03-25 1997-10-22 昭和キャボットスーパーメタル株式会社 タンタル粉末及びその製造法
DE3820960A1 (de) 1988-06-22 1989-12-28 Starck Hermann C Fa Feinkoernige hochreine erdsaeuremetallpulver, verfahren zu ihrer herstellung sowie deren verwendung
JPH0239417A (ja) * 1988-07-28 1990-02-08 Marcon Electron Co Ltd 電解コンデンサの製造方法
US4964906A (en) * 1989-09-26 1990-10-23 Fife James A Method for controlling the oxygen content of tantalum material
JPH03150822A (ja) 1989-11-07 1991-06-27 Nippon Chemicon Corp 電解コンデンサ用アルミニウム電極
JP3106559B2 (ja) 1991-07-05 2000-11-06 日本ケミコン株式会社 表面に金属酸化物を有する基材の製造方法
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
EP0665302B1 (de) * 1994-01-26 2000-05-03 H.C. Starck, INC. Verfahren zum Nitrieren von Tantalpulver
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
EP2146359B1 (de) * 1997-11-28 2012-05-16 Murata Manufacturing Co., Ltd. Elektrolytkondensator und dessen Herstellungsverfahren
US6051044A (en) * 1998-05-04 2000-04-18 Cabot Corporation Nitrided niobium powders and niobium electrolytic capacitors
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
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
US6072694A (en) * 1998-09-30 2000-06-06 Kemet Electronics Corporation Electrolytic capacitor with improved leakage and dissipation factor

Also Published As

Publication number Publication date
CN1226112C (zh) 2005-11-09
DE60133192T2 (de) 2009-03-12
AU2001248826A1 (en) 2001-11-07
JP4986272B2 (ja) 2012-07-25
CN1433346A (zh) 2003-07-30
EP1281460B1 (de) 2008-03-12
EP1281460A1 (de) 2003-02-05
US6671164B2 (en) 2003-12-30
EP1281460A4 (de) 2006-07-26
DE60133192D1 (de) 2008-04-24
BR0110333A (pt) 2003-01-07
WO2001081029A1 (fr) 2001-11-01
US20020075629A1 (en) 2002-06-20

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Legal Events

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