Multilayer ceramic capacitor
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United States of America Patent
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Jun 2, 2020
Grant Date -
Aug 23, 2018
app pub date -
Feb 8, 2018
filing date -
Feb 21, 2017
priority date (Note) -
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Abstract
A multilayer ceramic capacitor includes: a multilayer structure in which each of ceramic dielectric layers and each of internal electrode layers are alternately stacked, the plurality of internal electrode layers being alternately exposed to a first edge face and a second edge face of the multilayer structure, wherein: a region in which a set of internal electrode layers exposed to the first edge face of the multilayer structure face with another set of internal electrode layers exposed to the second edge face of the multilayer structure is a capacity region; at least a part of the circumference region around the capacity region has a protective region of which an average grain diameter of a main component ceramic is larger than that of the capacity region and of which a concentration of a donor element in the main component ceramic is larger than that of the capacity region.
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