Dielectric ceramic composition
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United States of America Patent
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Jul 29, 2003
Grant Date -
Dec 27, 2001
app pub date -
Apr 26, 2001
filing date -
Apr 27, 2000
priority date (Note) -
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Abstract
A dielectric ceramic composition comprising a first compound having the general formula, aCaTiO.sub.3 --(1-a)Ca(Al.sub.1/2 Nb.sub.1/2)O.sub.3 in which 0.4.ltoreq.a.ltoreq.0.6. Preferably, it further contains a second compound selected from the group consisting of zirconium oxide (ZrO.sub.2), manganese oxide (MnO.sub.2) and antimony trioxide (Sb.sub.2 O.sub.3), with the second compound present in an amount no more than 2 parts by weight relative to 100 parts by weight of the first compound.
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