SOLID ELECTROLYTIC CAPACITOR

PROBLEM TO BE SOLVED: To provide a solid electrolytic capacitor having proper electrostatic capacitance characteristics. SOLUTION: The solid electrolytic capacitor is provided with a capacitor element constituted by winding an anode foil and a cathode foil with a separator holding a conductive polym...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: FUKUI NORIHITO, NOGAMI KATSUNORI
Format: Patent
Sprache:eng
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Beschreibung
Zusammenfassung:PROBLEM TO BE SOLVED: To provide a solid electrolytic capacitor having proper electrostatic capacitance characteristics. SOLUTION: The solid electrolytic capacitor is provided with a capacitor element constituted by winding an anode foil and a cathode foil with a separator holding a conductive polymer in between. Since an etching foil having a chemically converted coating film on its surface and a coating film composed of carbon on the film or planar foil having a chemically converted coating film on its surface and a coating film composed of carbon on the film is used as the cathode foil, the electrostatic capacitance and ESR characteristics of the capacitor are satisfactory. COPYRIGHT: (C)2005,JPO&NCIPI