| 简介 |
PROBLEM TO BE SOLVED : To provide a dielectric ceramic composition having high relative permittivity under high electric field intensity even when the thickness of the dielectric layer is reduced, in addition, having good temperature characteristics and reliability.
SOLUTION : This dielectric ceramic composition includes barium titanate as a main component, and contains, to 100 mol of barium titanate, 5-15 mol of a component expressed by (1-x)BaZrO3+xSrZrO3 (where x is 0.4-0.9) in terms of BaZrO3 and SrZrO3 respectively, 3-5 mol of an Mg oxide in terms of MgO, 4-6 mol of a rare earth element oxide in terms of R2O3, 0.5-1.5 mol of an oxide of at least one element selected from Mn, Cr, Co and Fe in terms of MnO, Cr2O3, Co3O4 and Fe2O3 respectively, and 2.5-4 mol of an Si-containing compound in terms of Si.
COPYRIGHT : (C)2012, JPO&INPIT |
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