简介 |
PROBLEM TO BE SOLVED : To provide a dielectric ceramic composition which is preferable for producing dielectric layers of electronic components, showing comparatively high specific permittivity and having advantageous insulation property and sufficient reliability.
SOLUTION : The dielectric ceramic composition includes a hexagonal type barium titanate as a main component, shown by general formula : (Ba1-αMα)A(Ti1-βMnβ)BO3 and having hexagonal structure, wherein an effective ionic radius of 12-coordinated "M" is within ±20% with respect to an effective ionic radius of 12-coordinated Ba2+ and the A, B, α and β satisfy relations : 1.000
|