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DIELECTRIC CERAMIC COMPOSITION AND MULTILAYER CERAMIC PART

2025-06-18 21:093840下载
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PROBLEM TO BE SOLVED : To obtain a dielectric ceramic composition, which is fired even at a low temperature of ≤1, 000°C and whose dielectric loss is reduced, and to obtain a multilayer ceramic part.SOLUTION : The composition is a dielectric ceramic composition containing a dielectric component represented by the compositional formula : a-Li2O-b-(CaO1-x-SrOx)-c-R2O3-d-TiO2, and, after being fired, shows the presence of a main phase having a perovskite structure and an acicular phase containing a rare-earth element. In the compositional formula, x satisfies 0≤x<1; R is at least one selected from rare-earth elements; and a, b, c and d satisfy 0≤a≤20 mol%, 0≤b≤45 mol%, 0
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