| abstract |
The reliability of a multilayer ceramic capacitor is ensured even when a dielectric ceramic layer is thinned to 1 μm. The composition formula is 100 (Ba 1-x Ca x ) m TiO 3 + aMnO + bCuO + cSiO 2 + dMgO + eRO (where the coefficients 100, a, b, c, d and e are molar ratios, and m is (Ba 1-x Ca x ) To Ti, RO is Y 2 O 3 , La 2 O 3 , 2CeO 2 , Nd 2 O 3 , Sm 2 O 3 , Eu 2 O 3 , Gd 2 O 3 , Tb 2 O 3 , Dy 2 O 3 , a rare earth element oxide selected from Ho 2 O 3 , Er 2 O 3 , Tm 2 O 3 , Yb 2 O 3 , and Lu 2 O 3 , m, x, a, b, c, d, e are 0.998 ≦ m ≦ 1.030, 0 ≦ x <0.04, 0.01 ≦ a ≦ 5, 0.05 ≦ b ≦ 5, respectively. 0.2 ≦ c ≦ 8, 0.05 ≦ d ≦ 3.0, 0.05 ≦ e The relationship of ≦ 2.5 is satisfied, and the average particle size is 0.35 μm or more and 0.65 μm or less. [Selection figure] None |