Multilayer ceramic capacitor
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United States of America Patent
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Mar 20, 2018
Issued Date -
N/A
app pub date -
Feb 24, 2017
filing date -
Aug 13, 2014
priority date (Note) -
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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. The inner portion has a higher composition ratio of Mn to Ti than the outer portion. Both of minimum dimensions in the length direction of the length-direction first and second outer layer sections are greater than a dimension in the thickness direction of the thickness-direction first outer layer section.
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