Invention Grant
US09449760B2 Multilayer ceramic capacitor 有权
多层陶瓷电容器

Multilayer ceramic capacitor
Abstract:
A multilayer ceramic capacitor includes a multilayer unit, thickness-direction first and second outer layer sections, and length-direction first and second outer layer sections. A dimension of the thickness-direction second outer layer section is greater than a dimension of the thickness-direction first outer layer section. The thickness-direction second outer layer section includes an inner portion and an outer portion. A composition ratio of Si to Ti in a ceramic dielectric layer included in the outer portion is higher than that in the inner portion. A Si content ratio is higher in a boundary portion between the outer portion and the inner portion. A relationship expressed by T1/(L0−L1)≦5.98 is satisfied when a minimum dimension in the length direction of the body is denoted by L0, a minimum dimension in the thickness direction of the multilayer unit is denoted by T1, and a minimum dimension in the length direction of the multilayer unit is denoted by L1.
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