DIELECTRIC CERAMIC COMPOSITION, DIELECTRIC MATERIAL AND MULTILAYER CERAMIC CAPACITOR COMPRISING THE SAME

摘要

An embodiment of the present invention provides a dielectric magnetic composition which comprises: a main component and an accessory component of a barium titanate-based base material. When a crystal grain having Ca content less than 2.5 mol% is defined as a first crystal grain, and a crystal grain having Ca content of 2.5-13.5 mol% is defined as a second crystal grain in a microstructure after sintering, an area ratio of the second crystal grain is 30-80% based on the total area of 100%.