Patent ID: 8383536

Claim:
A dielectric ceramic comprising: a main component which is (Ba 1-a-b Ca b R a )(Ti 1-c Mn c ) where a is 0.0001-0.02, b is 0-0.15, and c is 0.001-0.01, in which 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 M and Si as accessory components in which M is at least one member selected from the group consisting of Fe, Co, V, W, Cr, Mo, Cu, Al, and Mg, wherein the area of a region in which M is present is 10% or less on average on a cross section of each main component grain.