Dielectric ceramic composition, electric device and production method thereof

Abstract

A dielectric ceramic composition, comprised of a main component expressed by a composition formula [SrZrO3]x+[CaTiO3](1−x) wherein the “x” satisfies 1.00≧x≧0.60, and sub components such as B2O3, SiO2, ZnO, Al2O3 and Li2O. Where the amounts of B2O3, SiO2, ZnO, Al2O3 and Li2O respectively equal “a”, “b”, “c”, “d”, and “e” parts by weight with respect to 100 parts by weight of the main component, 1.80>a≧0.25, 1.80>b≧0.20, 1.80>c≧0, 1.10>d≧0, 6.30>e≧0.05 and 10.00>a+b+c+d+e≧0.50 are satisfied. The dielectric ceramic composition can be burned at 1000° C. or less and is able to be used in a multi-layer chip capacitor suitable for high frequencies capable of using Cu or Ag as an internal conductor.

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