Is a
Patent attributes
Patent Jurisdiction
Patent Number
Date of Patent
January 9, 2007
Patent Application Number
11494446
Date Filed
July 28, 2006
Patent Primary Examiner
Patent abstract
A dielectric ceramic composition that includes a main component expressed as 100BamTiO3+xCuO+aROn+bMnO+cMgO (wherein coefficients 100, x, a, b, and c represent molar ratios; m represents the ratio of Ba to Ti (Ba/Ti); R represents at least one metal element selected from Y, La, Ce, Pr, Nd, Sm, Eu, Gd, Tb, Dy, Ho, Er, Tm, Yb, and Lu; and n represents a positive number required to maintain electroneutrality and is determined by the valence number of R), wherein m, x, a, b, and c meet the following relationships: 0.990≦m≦1.050; 0.1≦x≦5.0; 9.0≦a≦20.0; 0.5≦b≦3.5; and 0<c≦4.0, and the dielectric ceramic composition contains 0.8 to 5.0 parts by weight of a sintering additive with respect to 100 parts by weight of the main component.
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