Sanyo Electric Co., Ltd.

Yasuko Ibata

Takeshi Takamatsu

Hiroya Nishimoto

A solid electrolytic capacitor comprises an insulating substrate in which an anode terminal and a cathode terminal are formed. The anode terminal comprises a first anode section formed on a first surface of the insulating substrate, and a second anode section formed on a second surface of the insulating substrate, which are electrically connected to each other. The cathode terminal comprises a first cathode section formed on the first surface and a second cathode section formed on the second surface, which are electrically connected to each other. A distance between the first anode section and the first cathode section is smaller than a distance between the second anode section and the second cathode section. And an anode section and a cathode section of a capacitor element are electrically connected to the first anode section and the first cathode section respectively.

Solid electrolytic capacitor

A method of manufacturing a solid electrolytic capacitor includes steps (a) to (e). The steps (a) and (b) provide anode and cathode terminals to an insulating base respectively. The step (c) mounts a capacitor element on the insulating base. The step (d) coats the capacitor element with enclosure resin. The step (e) separates a first region of the insulating base to which the anode and cathode terminals are provided and on which the capacitor element is mounted from a second region of the insulating base which is different from the first region. The step (a) includes a step (a1) forming a first through hole in the insulating base, and a step (a2) plating an inner surface of the first through hole. The step (b) includes a step (b1) forming a second through hole in the insulating base, and a step (b2) plating an inner surface of the second through hole.

The solid electrolytic capacitor includes a capacitor element including an anode section, a dielectric film, and a cathode section, a wiring member on which the capacitor element is mounted, and an enclosure resin coating the capacitor element. The wiring member includes an insulating base, a first anode terminal portion connected to the anode section is provided on a first surface of the insulating base on which the capacitor element is mounted, the first anode terminal portion includes a connection part integrally formed therewith for electrically connecting the first anode terminal portion and the anode section to each other, a second anode terminal portion connected to the first anode terminal portion is provided on a second surface of the insulating base opposed to the first surface, and the first and second anode terminal portions are connected by an anode conduction part provided on a side surface of the insulating base.

A solid electrolytic capacitor comprises an insulating substrate in which an anode terminal and a cathode terminal are formed. A first anode section and a first cathode section are formed on a first surface of the insulating substrate, so as to be spaced from each other in a first predetermined direction. A second anode section and a second cathode section are formed on a second surface of the insulating substrate, so as to be spaced from each other in a second direction generally perpendicular to the first direction. The anode terminal comprises the first and second anode sections, which are electrically connected to each other. The cathode terminal comprises the first and second cathode sections, which are electrically connected to each other. A capacitor element is arranged on the first surface of the insulating substrate with an anode section thereof being oriented in the first direction.

A solid electrolytic capacitor includes a capacitor element coated with an enclosure resin, and an insulating substrate in which an anode terminal and a cathode terminal are formed. The anode terminal includes a first anode section formed on a first surface of the insulating substrate, a second anode section formed on a second surface of the insulating substrate, and an anode conductive layer which is formed on a side edge surface of the insulating substrate to electrically connect there anode sections to each other. The cathode terminal includes a first cathode section formed on the first surface, a second cathode section formed on the second surface, and a cathode conductive layer which is formed on the side edge surface of the insulating substrate to electrically connect there cathode sections to each other. And the anode conductive layer and the cathode conductive layer are exposed from the enclosure resin.

A solid electrolytic capacitor comprises an insulating substrate in which an anode terminal and a cathode terminal are formed. The anode terminal comprises a first anode section formed on a first surface of the insulating substrate, and a second anode section formed on a second surface of the insulating substrate, which are electrically connected to each other. A connection part is formed integrally with the first anode section. The cathode terminal comprises a first cathode section formed on the first surface and a second cathode section formed on the second surface, which are electrically connected to each other. A distance between the first anode section and the first cathode section is smaller than a distance between the second anode section and the second cathode section. And an anode section and a cathode section of a capacitor element are electrically connected to the connection part and the first cathode section respectively.

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Osaka, Japan

Yasuko Ibata