Patent ID: 7262146
Filing Date: 2007-08-28
Classification: B32B,C04B,H01G

Abstract:
1. A dielectric ceramic composition, comprising: a main component including barium titanate; a first subcomponent including at least one of MgO, CaO, BaO and SrO; a second subcomponent functioning as a sintering auxiliary agent; a third subcomponent including at least one of V a fourth subcomponent including an oxide of R1, where R1 is one of more elements each selected from a group consisting of Sc, Er, Tm, Yb, and Lu; a fifth subcomponent including CaZrO an eighth subcomponent including an oxide of A, wherein A is one or more elements each selected from a cation element group consisting of Al, Cr, Ga, and Ge, where each of the elements has an effective ionic radius at the time of 6 coordination of 0.065 nm to 0.085 nm; and a ratio of said eighth subcomponent with respect to 100 moles of said main component is greater than 1 mole and less than 4 moles.