| 摘要 |
A solid electrolyte capacitor comprising a solid electrolyte capacitor substrate having a porous surface layer or layers on the surface or surfaces of the substrate, which substrate has a masking layer in the boundary region between an anode region of the substrate and a cathode region of the substrate, wherein said masking layer has been formed from a solution or dispersion of a heat-resistant resin or a precursor thereof; and said masking layer contains 0% to 0.1% by mass, based on the mass of the heat-resistant resin or the precursor, of an additive for modifying the masking layer, which additive is other than a silane coupling agent. The masking layer exhibits a high insulation and the solid electrolyte capacitor has enhanced reliability.
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