Electricity: electrical systems and devices – Electrolytic systems or devices – Solid electrolytic capacitor
Reexamination Certificate
2006-05-30
2006-05-30
Nguyen, Ha T. (Department: 2831)
Electricity: electrical systems and devices
Electrolytic systems or devices
Solid electrolytic capacitor
C361S524000, C361S525000, C361S528000, C361S530000, C361S502000, C029S025030
Reexamination Certificate
active
07054140
ABSTRACT:
There are provided a solid electrolytic capacitor having a low ESR characteristic and an electrode foil to be used for this electrolytic capacitor. In accordance with the present invention, a capacitor element uses an anode foil with a post-etching void factor of not more than 51% or a cathode foil with another post-etching void factor of not more than 44%, wherein the capacitor element contains a solvent consisting mainly of a water and a water-soluble metal complex being bonded with phosphoric acid ions, whereby the electrode foil increases in conductivity and decreases in resistivity, while an electrolytic solution thereof has a low resistivity, to thereby obtain the solid electrolytic capacitor having the low ESR characteristic and the electrode foil to be used therefor.
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Higuchi Kazuhiro
Inoue Akihiro
Ishii Akio
Ozawa Masashi
Saegusa Kazuhiro
Dunning, Jr. Richard A.
Nguyen Ha T.
Nippon Chemi-Con Corp.
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