Ceramic electronic device and manufacturing method of the same

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United States of America Patent

PATENT NO 11862397
APP PUB NO 20220301771A1
SERIAL NO

17687481

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Abstract

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A ceramic electronic device includes a multilayer structure in which each of a plurality of dielectric layers including Ba and Ti and each of a plurality of internal electrode layers including Ni and Sn are alternately stacked. A discontinuity is formed in at least one of the plurality of internal electrode layers, the discontinuity being a break in a cross section including a stacking direction of the multilayer structure. An Sn high concentration portion, of which an Sn concentration is higher than an average Sn concentration of the one of the internal electrode layers, is formed on a part of a surface of the at least one of the internal electrode layers, the part of the surface being exposed to the discontinuity.

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Patent Owner(s)

Patent OwnerAddress
TAIYO YUDEN CO LTD7-19 KYOBASHI 2-CHOME CHUO-KU TOKYO 104-0031

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Suemasa, Riki Takasaki, JP 6 4

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