| 摘要 |
PROBLEM TO BE SOLVED: To provide a method of manufacturing dielectric ceramic material for manufacturing a small-sized multilayer ceramic capacitor of low cost, wherein generation of a segregation phase is restrained, short-circuiting failures do not exist, characteristics deterioration in time is small, electrostatic capacity is large and reliability is high by improving dispersion of subcomponent to main component of dielectric ceramic material, and making composition uniform. SOLUTION: One or at least two kinds from among BaTiO3 , CaTiO3 , SrTiO3 or BaZrO3 are made to be the main component. Component containing at least three kinds of compounds selected out of the respective compounds of Ba, Ca, Sr, Mg, Si, Cr, Y, V, Mn, W, Zr is used as subcomponents, to be mixed in the above main component. Dielectric ceramic material wherein the above subcomponent of at least 0.2 wt.% and at most 10.0 wt.% is contained in the main component is manufactured. After the subcomponent is made into fine powder by water grinding, granule of the subcomponent is made by freezing and drying. |
