| 摘要 |
PROBLEM TO BE SOLVED: To provide a method of manufacturing solid electrolytic capacitor by which leakage current characteristics of a solid electrolytic capacitor in an initial stage and after reflow soldering is performed can be improved by improving the yield in an aging step. SOLUTION: After a polyimide silicone coating film is formed on the surface of an electrode foil (at least either one of an anode foil and a cathode foil), a capacitor element is formed by winding the electrode foil and a separator in between, and restorative formation is performed on the element. Thereafter, the capacitor element is heat-treated at a temperature of 150-200°C. Successively, a solid electrolyte layer is formed by dipping the element in a mixed solution of a polymerizable monomer and an oxidizing agent, and causing the polymerization reaction of a conductive polymer in the element. Finally, the solid electrolytic capacitor is formed by housing the element in an encapsulating case and sealing the opened end section of the case with sealing rubber. COPYRIGHT: (C)2005,JPO&NCIPI
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