| 摘要 |
A solid electrolytic capacitor element includes an anode foil, a solid electrolytic layer, a cathode foil, and a connection portion. The anode foil is composed of valve metal and has at least one through hole passing therethrough in thickness direction thereof. The solid electrolytic layer is made of conductive polymer and is provided on a surface of the anode foil. The cathode foil is provided on a surface of the solid electrolytic layer. The connection portion is provided in the through hole and electrically connects a first solid electrolytic layer and a second solid electrolytic layer, the first solid electrolytic layer being a region of the solid electrolytic layer on one face of the anode foil, the second solid electrolytic layer being another region of the solid electrolytic layer on the other face of the anode foil.
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