Ceramic composition, ceramic sintered body, capacitor and method for manufacturing the same

Abstract

The present invention provides a ceramic composition, comprising a primary mixture and a secondary mixture, wherein the primary mixture comprises a first primary ingredient powder and a second primary ingredient powder, and the first primary ingredient powder comprises BaTiO3, the second primary ingredient powder comprises any of SrTiO3, Ba0.95Ca0.05TiO3, BaZr0.1Ti0.9O3 or a combination thereof, and the secondary mixture comprises a rare earth oxide, a silicon oxide and an alkaline-earth metal oxide. The present invention further provides a ceramic sintered body obtained by sintering the ceramic composition, and a capacitor comprising the ceramic sintered body and a method for manufacturing the same; wherein the capacitor satisfies EIA-X8R specification, and has a high dielectric constant.

Dependencies are inferred from the claim text.