Patent ID: 7648935
Filing Date: 2010-01-19
Classification: C04B,H01B

Abstract:
1. A dielectric porcelain composition for use in electronic devices, comprising, as a main phase, a (1-x)(La 1-y Ln y )(Al 1-z Ga z )O 3 -x(Sr 1-m Ca m )TiO 3 solid solution, wherein Ln represents one or both of Pr and Nd; and x, y, z, and m each satisfy the following values: wherein, in a grain boundary thereof a solid solution of Al—Ga—Sr-based oxide; a solid solution of Al—Ga-based oxide and an Sr oxide; or a solid solution of Al—Ga—Sr-based oxide as well as a solid solution of Al—Ga-based oxide and an Sr oxide is/are present.