Abstract: A mold includes a pair of first mold parts, a pair of second mold parts, and a pair of third mold parts that define six surfaces of a molded body substantially having a rectangular parallelepiped shape. At least one of the pair of third mold parts includes an upper mold part and a lower mold part. The upper mold part defines an upper space of a molding space, and the lower mold part defines a lower space of the molding space. The upper mold part and the lower mold part are individually slidable. The lower mold part protrudes toward the molding space with respect to the upper mold part so that a step portion is formed. The upper mold part is slidable in cooperation with the lower mold part in a state in which the step portion is formed or absent.

Abstract: An electrolytic capacitor including a capacitor element that includes an anode body being porous, a dielectric layer formed on the surface of the anode body, and a solid electrolyte layer covering at least part of the dielectric layer. The anode body has a plurality of principal surfaces and a corner portion. The corner portion includes a plurality of side portions connecting between the principal surfaces, and one or more vertex portions connecting between the principal surfaces. A surface layer X of at least part of the corner portion is more compact in texture than a surface layer Y of the principal surface adjacent to the surface layer X.

Abstract: An electrolytic capacitor including a capacitor element that includes an anode body being porous, a dielectric layer formed on the surface of the anode body, and a solid electrolyte layer covering at least part of the dielectric layer. The anode body has a plurality of principal surfaces and a corner portion. The corner portion includes a plurality of side portions connecting between the principal surfaces, and one or more vertex portions connecting between the principal surfaces. A surface layer X of at least part of the corner portion is more compact in texture than a surface layer Y of the principal surface adjacent to the surface layer X.

Abstract: A mold includes a pair of first mold parts, a pair of second mold parts, and a pair of third mold parts that define six surfaces of a molding space substantially having a rectangular parallelepiped shape. At least one of the pair of third mold parts includes an upper mold part and a lower mold part. The upper mold part defines an upper space of the molding space, and the lower mold part defines a lower space of the molding space. The upper mold part and the lower mold part are individually slidable. The lower mold part is configured to protrude toward the molding space with respect to the upper mold part so that a step portion is formed. The upper mold part is configured to be slidable relative to the lower mold part to make a size of the step portion decrease. The upper mold part and the lower mold part are configured to be integrally slidable in a state that the step portion remains or is absent.