Dielectric ceramic composition and laminated ceramic capacitor
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United States of America Patent
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Jul 3, 2007
Grant Date -
Jun 29, 2006
app pub date -
May 7, 2004
filing date -
Jul 7, 2003
priority date (Note) -
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Abstract
Provided is a dielectric ceramic composition represented by the chemical composition formula: 100 (Ba.sub.1-xCa.sub.x).sub.mTiO.sub.3+aMnO+bCuO+cSiO.sub.2+dRe.sub.2O.sub.3 (wherein coefficients 100, a, b, c, and d each represent a molar amount; and Re represents at least one element selected from Y, Sm, Eu, Gd, Tb, Dy, Ho, Er, Tm, and Yb), wherein m, x, a, b, c, and d satisfy the respective relationships: 0.990.ltoreq.m.ltoreq.1.030, 0.04.ltoreq.x.ltoreq.0.20, 0.01.ltoreq.a.ltoreq.5, 0.05.ltoreq.b.ltoreq.5, 0.2.ltoreq.c.ltoreq.8, and 0.05.ltoreq.d.ltoreq.2.5.
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