Importance

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Abstract

The present invention relates to a monolithic capacitor of an insulating body of densely sintered ceramic material having electrically conductive layers interleaved parallel to and spaced from each other, extending alternately to one of two opposite outer surfaces of the insulating body where they are connected together by metal connecting layers to form the two plates of the capacitor. In order to obtain a very high capacitance per unit of volume, the insulating body is a semiconductive strontium titanate ceramic with grain-boundary barrier layers. In view of the fact that, in the case of such a ceramic, noble metals would diffuse into the grain-boundary barrier layer and reduce the insulation resistance, the electrically conductive layers of non-noble metals or metal alloys are injected into open-pore hollow spaces which form a network.

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First Claim