Patent ID: 7336476

Claim:
A dielectric ceramic composition comprising: a main component of (Ba 1−x Ca x ) m TiO 3 ; and sub-components of MgCO 3 , RE 2 O 3 , MO, MnO, V 2 O 5 , Cr 2 O 3 and a sintering additive of SiO 2 , where RE 2 O 3 is at least one selected from the rare earth oxide group consisting of Y 2 O 3 , Dy 2 O 3 and Ho 2 O 3 , and MO is one of Ba and Ca, wherein the dielectric ceramic composition is expressed by a following formula: a(Ba 1−x Ca x ) m TiO 3 -bMgCO 3 -cRE 2 O 3 -dMO-eMnO-fSiO 2 -gV 2 O 5 -hCr 2 O 3 , where a, b, c, d, e, f, g, and h satisfy following relationships: in mole fraction, a=100, 0.1≦b≦3.0, 0.1≦c≦3.0, 0.1≦d≦3.0, 0.05≦e≦1.0, 0.2≦f≦3.0, 0.01≦g≦1.0, and 0.01≦h≦1.0, and x and m satisfy following relationships: 0.005≦x≦0.15, and 0.995≦m≦1.03.