Patent ID: 8404607
Filing Date: 2013-03-26
Classification: B82Y,C04B,H01G

Abstract:
1. A sintered dielectric ceramic comprising as its main constituent, a compound represented by the general formula: (Ba as its accessory constituent, aMg-bSi-cMn-dR, wherein R is at least one member selected from the group consisting of La, Ce, Pr, Nd, Sm, Eu, Gd, Tb, Dy, Ho, Er, Tm, Yb, Lu, and Y, and a, b, c, and d are 0.1<a≦20.0, 0.5<b≦20.0, 0.1<c≦10.0, and 1.0<d≦30.0 in parts by mol with respect to 100 parts by mol of the main constituent, and the sintered ceramic has an average crystal grain size of 20 nm or more and less than 100 nm.