DIELECTRIC COMPOSITION HAVING HIGH DIELECTRIC CONSTANT, MULTI LAYERED CERAMIC CONDENSERS COMPRISING THE SAME, AND METHOD OF PREPARING FOR MULTI LAYERED CERAMIC CONDENSERS

摘要

A dielectric composition having a high dielectric constant, multi layered ceramic condensers comprising the same, and a method of preparing for multi layered ceramic condensers. The dielectric composition includes: a compound represented by general formula (Ba_1-XCa_x)_m(Ti_1-yZr_y)O₃ (0.995≦m≦1.010, 0.001≦x≦0.10, 0.001, 0.001≦y≦0.20) as a main component; an Al oxide as a first sub-component; at least one metal selected from a group consisting of Mg, Sr, Ba, Ca, and Zr and the salt thereof, as a second sub-component; at least one metal selected from a group consisting of Sc, Y, La, Ac, Ce, Pr, Nd, Pm, Sm, Eu, Gd, Tb, Dy, Ho, Er, Tm, Yb, and Lu and the salt thereof, as a third sub-component; at least one metal selected from a group consisting of Cr, Mo, W, Mn, Fe, Co, and Ni and the salt thereof, as a fourth sub-component; and a fifth sub-component selected from Si containing glass forming compounds.