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Multilayer ceramic electronic component having an average surface roughness to provide adhesion strength between a dielectric layer and inner electrode and fabrication method thereof
Multilayer ceramic electronic component having an average surface roughness to provide adhesion strength between a dielectric layer and inner electrode and fabrication method thereof
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机译:具有平均表面粗糙度以在介电层和内部电极之间提供粘合强度的多层陶瓷电子元件及其制造方法
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摘要
There is provided a multilayer ceramic electronic component, including: a ceramic main body including a dielectric layer; and inner electrodes disposed to face each other within the ceramic main body, with the dielectric layer interposed therebetween, wherein, when an average thickness of the dielectric layer is td and an average thickness of the inner electrodes is te, 0.1 μm≦te≦0.5 μm and (td+te)/te≦2.5 are satisfied, and when an average surface roughness on a virtual surface roughness center line of the inner electrode is Ra and an average roughness of ten points of the inner electrode is Rz, 5 nm≦Ra≦30 nm, 150 nm≦Rz≦td/2, and 8≦Rz/Ra≦20 are satisfied. The multilayer ceramic electronic component has excellent reliability by improving adhesion strength between the dielectric layer and the inner electrodes and withstand voltage characteristics.
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