| 摘要 |
PROBLEM TO BE SOLVED: To improve electrical characteristics such as leakage current and equivalent series resistance in a solid electrolytic capacitor used with a high voltage. SOLUTION: In a manufacturing method of a solid electrolytic capacitor, conductive polymer compound to be used for electrolyte is formed by electrolytic polymerization. In order to improve electrical characteristics such as leakage current and equivalent series resistance, a high-temperature polymerization process and a low-temperature polymerization process are performed in this order, when the above electrolytic polymerization is performed.
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