JP2008235949A5 - - Google Patents

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Publication number
JP2008235949A5
JP2008235949A5 JP2008176344A JP2008176344A JP2008235949A5 JP 2008235949 A5 JP2008235949 A5 JP 2008235949A5 JP 2008176344 A JP2008176344 A JP 2008176344A JP 2008176344 A JP2008176344 A JP 2008176344A JP 2008235949 A5 JP2008235949 A5 JP 2008235949A5
Authority
JP
Japan
Prior art keywords
dielectric layer
niobium
electrolytic capacitor
layer contains
electrode
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.)
Granted
Application number
JP2008176344A
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English (en)
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JP4275187B2 (ja
JP2008235949A (ja
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Publication date
Application filed filed Critical
Priority to JP2008176344A priority Critical patent/JP4275187B2/ja
Priority claimed from JP2008176344A external-priority patent/JP4275187B2/ja
Publication of JP2008235949A publication Critical patent/JP2008235949A/ja
Publication of JP2008235949A5 publication Critical patent/JP2008235949A5/ja
Application granted granted Critical
Publication of JP4275187B2 publication Critical patent/JP4275187B2/ja
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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Claims (2)

  1. ニオブ又はニオブ合金からなる電極が陽極酸化されて、前記電極の表面に誘電体層を形成した電解コンデンサにおいて、前記誘電体層にはフッ素が含有されていることを特徴とする電解コンデンサ。
  2. 請求項１に記載した電解コンデンサにおいて、上記の誘電体層に、ニオブのフッ化物が含有されていることを特徴とする電解コンデンサ。
JP2008176344A 2002-07-26 2008-07-04 電解コンデンサ Expired - Fee Related JP4275187B2 (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2008176344A JP4275187B2 (ja) 2002-07-26 2008-07-04 電解コンデンサ

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP2002217482 2002-07-26
JP2003080792 2003-03-24
JP2008176344A JP4275187B2 (ja) 2002-07-26 2008-07-04 電解コンデンサ

Related Parent Applications (1)

Application Number Title Priority Date Filing Date
JP2003175955A Division JP4274857B2 (ja) 2002-07-26 2003-06-20 電解コンデンサの製造方法

Publications (3)

Publication Number Publication Date
JP2008235949A JP2008235949A (ja) 2008-10-02
JP2008235949A5 true JP2008235949A5 (ja) 2008-12-18
JP4275187B2 JP4275187B2 (ja) 2009-06-10

Family

ID=30772259

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2008176344A Expired - Fee Related JP4275187B2 (ja) 2002-07-26 2008-07-04 電解コンデンサ

Country Status (5)

Country Link
US (1) US6876083B2 (ja)
JP (1) JP4275187B2 (ja)
CN (2) CN101388290B (ja)
HK (1) HK1061304A1 (ja)
TW (1) TWI225656B (ja)

Families Citing this family (28)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7684171B2 (en) * 2003-10-23 2010-03-23 Medtronic, Inc. Capacitors based on valve metal alloys for use in medical devices
JP4275044B2 (ja) * 2004-02-04 2009-06-10 三洋電機株式会社 固体電解コンデンサおよびその製造方法
JP4383228B2 (ja) * 2004-03-31 2009-12-16 三洋電機株式会社 固体電解コンデンサ
US8004824B2 (en) * 2005-07-26 2011-08-23 Murata Manufacturing Co., Ltd. Solid electrolytic capacitor element and solid electrolytic capacitor using same
JP4882567B2 (ja) * 2006-07-19 2012-02-22 パナソニック株式会社 固体電解コンデンサの製造方法及び固体電解コンデンサ
CN101578673B (zh) * 2007-01-26 2013-03-20 昭和电工株式会社 电容器材料及其制造方法、含有该材料的电容器、布线板和电子设备
EP2176872A2 (en) * 2007-07-18 2010-04-21 Cabot Corporation Niobium suboxide- and niobium-tantalum-oxide-powders and capacitor anodes produced thereof
JP5289123B2 (ja) * 2009-03-23 2013-09-11 三洋電機株式会社 固体電解コンデンサ及びその製造方法
US8298478B2 (en) * 2009-04-24 2012-10-30 Medtronic, Inc. Method of preparing an electrode
US20100318140A1 (en) * 2009-06-16 2010-12-16 Medtronic, Inc. Volumetric energy density electrodes
CN102021458B (zh) * 2010-10-15 2012-05-30 北京航空航天大学 一种Nb-Ti-Si-Zn合金材料及其制备方法
US9053860B2 (en) 2010-12-24 2015-06-09 Showa Denko K.K. Tungsten powder, anode body for capacitors, and electrolytic capacitor
JP5266427B1 (ja) 2011-10-18 2013-08-21 昭和電工株式会社 コンデンサの陽極体の製造方法
US9669460B2 (en) 2011-11-15 2017-06-06 Showa Denko K.K. Method for producing fine tungsten powder
JP5222438B1 (ja) 2011-11-29 2013-06-26 昭和電工株式会社 タングステン細粉の製造方法
EP2797094A4 (en) * 2011-12-19 2015-09-16 Showa Denko Kk TUNGSTEN CAPACITOR ANODE AND PROCESS FOR PRODUCING THE SAME
US9396881B2 (en) 2012-02-08 2016-07-19 Showa Denko K.K. Solid electrolytic capacitor
EP2851915B1 (en) * 2012-05-18 2016-11-30 Showa Denko K.K. Method for manufacturing capacitor element
JP5476511B1 (ja) 2012-06-22 2014-04-23 昭和電工株式会社 コンデンサ素子
US9892861B2 (en) 2012-06-22 2018-02-13 Showa Denko K.K. Anode body for solid electrolytic capacitor
WO2013190886A1 (ja) 2012-06-22 2013-12-27 昭和電工株式会社 コンデンサの陽極体
CN105283935B (zh) * 2013-06-06 2018-06-08 昭和电工株式会社 固体电解电容器及其制造方法
WO2014203846A1 (ja) * 2013-06-17 2014-12-24 昭和電工株式会社 固体電解コンデンサおよびその陽極リード接続方法並びに固体電解コンデンサの製造方法
JP5698882B1 (ja) * 2013-06-18 2015-04-08 昭和電工株式会社 コンデンサ陽極体およびその製造方法
JP5793635B2 (ja) * 2013-08-30 2015-10-14 昭和電工株式会社 タングステン粉及びコンデンサの陽極体
WO2016038959A1 (ja) * 2014-09-11 2016-03-17 昭和電工株式会社 タングステンコンデンサ素子及びその製造方法
WO2018088574A1 (ja) 2016-11-14 2018-05-17 株式会社村田製作所 固体電解コンデンサ素子、固体電解コンデンサ及び固体電解コンデンサ素子の製造方法
CN108831763B (zh) * 2018-05-23 2020-01-21 湖南辰砾新材料有限公司 一种超级电容器电极材料及其制备方法

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3849124A (en) * 1969-12-05 1974-11-19 Norton Co Capacitor powder
US3597664A (en) * 1969-12-05 1971-08-03 Norton Co Niobium-zirconium-titanium capacitor electrode
US4633373A (en) * 1984-12-14 1986-12-30 United Chemi-Con, Inc. Lithium/valve metal oxide/valve metal capacitor
US5034857A (en) * 1989-10-06 1991-07-23 Composite Materials Technology, Inc. Porous electrolytic anode
JPH05121275A (ja) 1991-10-28 1993-05-18 Sumitomo Chem Co Ltd チタン電解コンデンサの製造方法
US5733661A (en) * 1994-11-11 1998-03-31 Mitsubishi Chemical Corporation High-permittivity composite oxide film and uses thereof
JPH11312628A (ja) 1998-04-30 1999-11-09 Nec Corp 固体電解コンデンサ及び製造方法
EP1100295B1 (en) * 1999-11-12 2012-03-28 Panasonic Corporation Capacitor-mounted metal foil and a method for producing the same, and a circuit board and a method for producing the same
US6545858B1 (en) * 1999-11-30 2003-04-08 Showa Denko K.K. Capacitor

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