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TW200511347A - Chip-like solid electrolytic capacitor - Google Patents

Chip-like solid electrolytic capacitor

Info

Publication number
TW200511347A
TW200511347A TW093105398A TW93105398A TW200511347A TW 200511347 A TW200511347 A TW 200511347A TW 093105398 A TW093105398 A TW 093105398A TW 93105398 A TW93105398 A TW 93105398A TW 200511347 A TW200511347 A TW 200511347A
Authority
TW
Taiwan
Prior art keywords
chip
solid electrolytic
electrolytic capacitor
anode plate
portions
Prior art date
Application number
TW093105398A
Other languages
Chinese (zh)
Other versions
TWI327329B (en
Inventor
Kazumi Naito
Katutoshi Tamura
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
Application filed by Showa Denko Kk filed Critical Showa Denko Kk
Publication of TW200511347A publication Critical patent/TW200511347A/en
Application granted granted Critical
Publication of TWI327329B publication Critical patent/TWI327329B/zh

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
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01G—CAPACITORS; CAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES, LIGHT-SENSITIVE OR TEMPERATURE-SENSITIVE DEVICES OF THE ELECTROLYTIC TYPE
    • H01G2/00—Details of capacitors not covered by a single one of groups H01G4/00-H01G11/00
    • H01G2/02—Mountings
    • H01G2/06—Mountings specially adapted for mounting on a printed-circuit support
    • H01G2/065—Mountings specially adapted for mounting on a printed-circuit support for surface mounting, e.g. chip capacitors
    • 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
    • H01G9/022—Electrolytes; Absorbents
    • H01G9/025—Solid electrolytes
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Electrochemistry (AREA)
  • Materials Engineering (AREA)
  • Fixed Capacitors And Capacitor Manufacturing Machines (AREA)
  • Semiconductor Integrated Circuits (AREA)

Abstract

This invention is to provide a chip like solid electrolytic capacitor which has a low ESR and a low initial failure rate and an electronic device using the chip like solid electrolytic capacitor. This capacitor is the chip like solid electrolytic capacitor such that a plurality of solid electrolytic capacitor elements of which the cathode portions are formed by laminating a dielectric oxide film layer, a semiconductor layer, and a conductor layer in order on a remnant surfaces except anode plate portions on one end of the anode plate bases comprising sintered bodies of valve action metal or conductive oxide, or connecting members of the sintered bodies and metal wires, are horizontally parallelly tightly placed and held, and joined so as to contact the anode plate portions or metal wire portions and the cathode portions to the lead frames on points of a pair of lead frames which are opposed to each other, and such that they are then sealed by a resin except external terminals of the lead frames. In the capacitor, the volume ratio of one of sintered bodies except the anode plate portions to the chip volume is constituted to be in 0.042-0.110.
TW093105398A 2003-03-03 2004-03-02 Chip-like solid electrolytic capacitor TW200511347A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2003056237 2003-03-03

Publications (2)

Publication Number Publication Date
TW200511347A true TW200511347A (en) 2005-03-16
TWI327329B TWI327329B (en) 2010-07-11

Family

ID=36689409

Family Applications (1)

Application Number Title Priority Date Filing Date
TW093105398A TW200511347A (en) 2003-03-03 2004-03-02 Chip-like solid electrolytic capacitor

Country Status (3)

Country Link
KR (1) KR101052215B1 (en)
CN (1) CN1757083B (en)
TW (1) TW200511347A (en)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100778549B1 (en) * 2006-10-02 2007-11-22 주식회사 디지털텍 Carbonization Method of Aluminum Polymer Capacitor
CN101174508B (en) * 2006-10-31 2011-11-23 Nec东金株式会社 Lead frame, upside-down mounted terminal solid electrolyte capacitor and its manufacturing method using lead frame
JP5330191B2 (en) * 2009-10-27 2013-10-30 サン電子工業株式会社 Solid electrolytic capacitor and manufacturing method thereof
CN104599848A (en) * 2013-10-30 2015-05-06 张彩欣 Hybrid capacitor and manufacturing method thereof
CN104599849A (en) * 2013-10-30 2015-05-06 张彩欣 Hybrid capacitor and manufacturing method thereof

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
TW479262B (en) * 1999-06-09 2002-03-11 Showa Denko Kk Electrode material for capacitor and capacitor using the same

Also Published As

Publication number Publication date
TWI327329B (en) 2010-07-11
KR20050113628A (en) 2005-12-02
KR101052215B1 (en) 2011-07-29
CN1757083B (en) 2010-06-09
CN1757083A (en) 2006-04-05

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Legal Events

Date Code Title Description
MK4A Expiration of patent term of an invention patent