Shin-Etsu Polymer Co., Ltd.

Michiko Shingai

Tailu Ning

Sachiko Ode

A method for manufacturing a capacitor that enables a capacitor having a high degree of conductivity and minimal leakage current to be obtained with a high level of productivity. A method for manufacturing a capacitor () according to the present invention includes an electrolytic oxidation step of forming a dielectric layer () by electrolytically oxidizing the surface of an anode () composed of a valve metal, a cathode positioning step of positioning a cathode () composed of a conductor in an opposing arrangement on the surface of the dielectric layer (), a solid electrolyte formation step of forming a solid electrolyte layer () between the dielectric layer () and the cathode () using a conductive polymer solution containing a &#x3c0;-conjugated conductive polymer and a polyanion, and an application step of performing a treatment in which a direct current voltage is applied between the anode () and the cathode ().

Capacitor and method for manufacturing the same

A solid electrolytic capacitor that is able to maintain a high capacitance and low ESR, and also exhibits a high degree of heat resistance. The solid electrolytic capacitorcomprises at least an anode bodycomposed of a porous material, a dielectric layerformed on the surface of the anode body, and a cathode body, wherein the solid electrolytic capacitor has a solid electrolyte layerformed in contact with the dielectric layer, the solid electrolyte layercomprises at least a hydroxy compound having three or more hydroxyl groups, and the hydroxy compound has a melting point of not less than 170&#xb0; C.

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Saitama, Japan

Michiko Shingai