CPC H01G 9/10 (2013.01) [H01G 9/15 (2013.01); H01G 9/0029 (2013.01); H01G 9/26 (2013.01)] | 13 Claims |
1. An electrolytic capacitor comprising:
a capacitor element including an anode portion made of a metal layer, a dielectric layer on an outer surface of the metal layer, and a cathode portion on an outer surface of the dielectric layer;
an insulating resin body covering the capacitor element, wherein an outer surface of the insulating resin body is a corona discharge treated surface; and
a gas barrier film on the outer surface of the insulating resin body, the gas barrier film having a water vapor transmittance of 1 g/m2 per day or less.
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