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Multilayer ceramic capacitor including dielectric layers with different regions having different concentrations of dysprosium

机译:包括介电层的多层陶瓷电容器,介电层的不同区域具有不同的concentrations浓度

摘要

A multilayer ceramic capacitor includes a ceramic body with first and second internal electrodes facing each other and dielectric layers interposed therebetween. First and second external electrodes are on external surfaces of the ceramic body and electrically connected to the first and second internal electrodes, respectively. A dielectric layer includes dielectric grains including, respectively, first regions in which dysprosium (Dy) is not present and second regions surrounding the first regions. Where a shortest distance between boundaries of the first regions (in which dysprosium (Dy) is not present) of two of the dielectric grains is “L,” the concentration of dysprosium (Dy) in a region within ±0.2L from a halfway point between the boundaries is lower than that of dysprosium (Dy) in the second regions.
机译:多层陶瓷电容器包括陶瓷体,该陶瓷体具有彼此面对的第一内部电极和第二内部电极以及介于其间的介电层。第一和第二外部电极在陶瓷体的外表面上,并且分别电连接到第一和第二内部电极。介电层包括介电颗粒,所述介电颗粒分别包括其中不存在(Dy)的第一区域和围绕所述第一区域的第二区域。如果两个介电粒子的第一个区域(其中不存在dy(Dy))的边界之间的最短距离为“ L”,则距中点±0.2L以内的区域中((Dy)的浓度在第二区域中,边界之间的than低于lower(Dy)。

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