DIELECTRIC PORCELAIN AND ITS MANUFACTURING METHOD, AND LAMINATED CERAMIC CAPACITOR

PROBLEM TO BE SOLVED : To provide a dielectric porcelain capable of improving dielectric breakdown voltage and having a stable characteristics of elctrostatic capacity even if its dielectric layer is made thinner, its manufacturing method, and a laminated ceramic capacitor. SOLUTION : This dielectric porcelain comprises a main crystal particle 31 comprising a perovskite type composite oxide containing Ba and Ti as metal elements but not containing Si, a composite oxide layer 33, formed on the outer surface of the main crystal particle 31, containing a rare earth element, an alkaline earth element, and Si, and an grain boundary phase 35.