| 摘要 |
A ceramic electronic device including a dielectric layer, wherein the dielectric layer includes a main component expressed by a composition formula of Bam TiO2+m, wherein "m" satisfies 0.995<=m<=1.010 and a ratio of Ba and Ti satisfies 0.995<=Ba/Ti<=1.010, and a subcomponent (a sixth subcomponent) including an oxide of Al; and a content of the Al compound is 0 to 4.0 moles (note that 0 is not included) in terms of Al2O3 with respect to 100 moles of the main component; and preferably, the dielectric layer includes a segregation phase, and the segregation phase includes an oxide of Al.
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