MANUFACTURING METHOD OF SOLID ELECTROLYTIC CAPACITOR

PROBLEM TO BE SOLVED: To provide a manufacturing method of a solid electrolytic capacitor, which has high durability and high reliability.SOLUTION: A manufacturing method of a solid electrolytic capacitor, includes a steps of forming an electroconductive polymer layer on a surface of a valve action metal to which a dielectric oxide membrane is formed. In the step, an electroconductive polymer disperse medium includes at least: (A) electroconductive polymer; (B) colloidal silica; (C) a chemical compound having reactivity with a silanol group; and (D) a disperse medium. The manufacturing method of the solid electrolytic capacitor includes the step of forming the electroconductive polymer layer on the dielectric oxide membrane by at least partially removing the above (D) after the electroconductive polymer disperse medium is contacted onto the dielectric oxide membrane.SELECTED DRAWING: None 【課題】高耐久性と高信頼性を有する固体電解コンデンサの製造方法を提供する。【解決手段】誘電体酸化皮膜が形成された弁作用金属の表面に、導電性高分子層を形成する工程を有する固体電解コンデンサの製造方法において、前記工程が、以下の（Ａ）〜（Ｄ）（Ａ）導電性高分子（Ｂ）コロイダルシリカ（Ｃ）シラノール基との反応性を有する化合物（Ｄ）分散媒を少なくとも含有する導電性高分子分散液を前記誘電体酸化皮膜上に接触させた後、前記（Ｄ）を少なくとも部分的に除去して、前記誘電体酸化皮膜上に導電性高分子層を形成する工程である固体電解コンデンサの製造方法。【選択図】なし