Ceramic electronic device and method of production of same

Details Ceramic electronic device and method of production of same Ceramic electronic device and method of production of same

2006-11-07

2006-11-07

Arbes, Carl J. (Department: 3729)

Metal working

Electric condenser making

Solid dielectric type

C029S825000, C029S830000, C029S831000, C156S089120, C264S650000

Reexamination Certificate

active

07131174

ABSTRACT:
A method of production of a ceramic electronic device such as a multilayer ceramic capacitor, comprising forming a first ceramic coating layer on the surface of a substrate, forming an internal electrode on the surface of the first ceramic coating layer, then forming a second ceramic coating layer on the surface of the first ceramic coating layer so as to cover the internal electrode. In this case, when a mean particle size of ceramic particles of the first ceramic coating layer is α1, a thickness of the first ceramic coating layer is T1, a mean particle size of ceramic particles of the second ceramic coating layer is α2, and a thickness of the second ceramic coating layer is T2, the conditions of α1≦α2, 0.05<α1≦0.35 μm, T1<T2, and 0<T1<1.5 μm are satisfied. As a result, it is possible to provide a ceramic electronic device, in particular a multilayer ceramic capacitor, resistant to short-circuit defects, withstand voltage defects, and other structural defects.

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