Ceramic electronic device and manufacturing method of the same
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United States of America Patent
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Feb 13, 2024
Grant Date -
Dec 8, 2022
app pub date -
May 16, 2022
filing date -
May 27, 2021
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Abstract
A ceramic electronic device includes a multilayer structure in which each of a plurality of dielectric layers and each of a plurality of internal electrode layers are alternately stacked, a main component of the plurality of dielectric layers being a ceramic having a perovskite structure expressed by a general formula ABO3. At least one of crystal grains of the plurality of dielectric layers has a core-shell structure. A dispersion of atomic displacement amounts between B site atoms and oxygen atoms of a shell of the core-shell structure is larger than a dispersion of atomic displacement amounts between B site atoms and oxygen atoms of a core of the core-shell structure.
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