| 摘要 |
PURPOSE: A non-reductive dielectric ceramic composition using base metallic material as an internal electrode for monolithic or multilayer ceramic capacitor is provided, which has high insulating resistance and dielectric constant and excellent temperature coefficient of capacitance, corresponding to Y5U or Y5V, when it is sintered in a reductive atmosphere. CONSTITUTION: The composition comprises ternary system, BaTiO3-CaZrO3-SrZrO3, calcined at 1200deg.C for 2hrs in a molar ratio of 82.4-87 : 6.2-10 : 6.8-7.6 to be the following formula 1, and MgO, MnCO3, SiO2 and Nb2O3 as additives. The formula 1 is as follows: ((Ba1-x-yCaxSry)O)m(Ti1-zZrz)O2, where 0.062≤x≤0.1, 0.068≤y≤0.076, 0.14≤z≤0.16 and 1.004≤m≤1.025. The amount of additives are as follows: 0.1≤MgO≤ 0.5, 0.1≤MnCO3≤1.0, 0.06≤Nb2O5≤0.35 and 0.01≤SiO2≤0.65, based on mol%.
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