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    • 7. 发明授权
    • Solid electrolytic capacitor and method for manufacturing the same
    • 固体电解电容器及其制造方法
    • US06671168B2
    • 2003-12-30
    • US10306503
    • 2002-11-27
    • Tsunenori YoshidaMikinari ShimadaYasuhiko Nakada
    • Tsunenori YoshidaMikinari ShimadaYasuhiko Nakada
    • H01G900
    • H01G9/0036H01G9/042H01G11/48H01G11/56Y02E60/13Y10T29/417
    • The present invention provides a solid electrolyte capacitor with which both higher capacitance and lower ESR are achieved, as well as a method for manufacturing the same. The manufacturing method includes a step of forming, in a first solution, a first conductive polymer film serving as a portion of a conductive polymer layer, and a step of forming, in a second solution whose pH is lower than the pH of the first solution, a second conductive polymer film serving as another portion of the conductive polymer layer. The first conductive polymer film and the second conductive polymer film are both formed by electrolytic oxidative polymerization or by chemical oxidative polymerization. Thus, the conductive polymer layer includes a first conductive polymer film made of a plurality of particles, and a second conductive polymer film having an average particle size that is larger than the average particle size of those plurality of particles. The second conductive polymer film is formed such that it covers the apertures of the plurality of pores formed in the anode conductor, and the first conductive polymer film is formed such that at least a portion thereof is disposed inside the plurality of pores, or it is arranged as an outermost film of the conductive polymer layer.
    • 本发明提供一种固体电解质电容器及其制造方法,同时具有较高电容和较低ESR的固体电解质电容器。 该制造方法包括在第一溶液中形成用作导电聚合物层的一部分的第一导电聚合物膜的步骤,以及在pH低于第一溶液的pH的第二溶液中形成的步骤 用作导电聚合物层的另一部分的第二导电聚合物膜。 第一导电聚合物膜和第二导电聚合物膜都通过电解氧化聚合或通过化学氧化聚合形成。 因此,导电聚合物层包括由多个颗粒构成的第一导电聚合物膜和平均粒径大于这些多个颗粒的平均粒径的第二导电聚合物膜。 第二导电聚合物膜形成为覆盖形成在阳极导体中的多个孔的孔,并且第一导电聚合物膜形成为使得其至少一部分设置在多个孔内,或者是 布置为导电聚合物层的最外面的膜。