| 摘要 |
A ceramic electronic device (1) including a dielectric layer (2), wherein the dielectric layer (2) includes a main component expressed by a composition formula of Ba m TiO 2+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 Al 2 O 3 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. |
