Dielectric ceramic composition
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United States of America Patent
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Jun 15, 1993
Grant Date -
N/A
app pub date -
Feb 18, 1992
filing date -
Oct 31, 1990
priority date (Note) -
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Abstract
A dielectric ceramic composition containing 0.3 to 5.0 parts by weight of an additive composed of at least one of SiO.sub.2, Li.sub.2 O and B.sub.2 O.sub.3 per 100 parts by weight of a main component expressed by the following composition formula: (1-x-y-z-t)BaTiO.sub.3 +xCaZrO.sub.3 +yMgO+zMnO+tRe.sub.2 O.sub.3, where x.ltoreq.0.06 0.005.ltoreq.y.ltoreq.0.08 0.005.ltoreq.z.ltoreq.0.02 0.005.ltoreq.t.ltoreq.0.02. In the composition formula, Re indicates at least one of Y, Gd, Dy, Ho, Er and Yb.
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