CPC H01G 4/2325 (2013.01) [H01G 4/1227 (2013.01); H01G 4/30 (2013.01)] | 19 Claims |
1. A ceramic electronic device comprising:
an element body including a ceramic layer and an internal electrode layer; and
an external electrode electrically connected to at least one end of the internal electrode layer; wherein
the element body includes an interface part at least at a part of a boundary between the external electrode and the ceramic layer,
the interface part includes an oxide containing aluminium and an oxide containing boron,
the oxide containing aluminium further includes silicon, and
an amount of aluminium atoms in the interface part is 0.3 part by mol or more provided that a total amount of aluminium atoms and silicon atoms in the interface part is 1 part by mol.
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