| 简介 |
PROBLEM TO BE SOLVED : To provide a novel dielectric ceramic composition having a relatively large εr and, especially, a dielectric ceramic composition having a relatively large εr and a large Qu.
SOLUTION : The dielectric ceramic composition comprises a main crystalline phase comprising A (an alkaline earth metal element such as Ca or Sr), M1 (a trivalent metal element such as Al except a rare earth metal element), M2 (a pentavalent metal element such as Nb or Ta), and M3 (a tetravalent metal element such as Ti) and represented by the compositional formula [A(M1xM2xM3(1-2x))O3] (wherein 0.15
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