Dielectric ceramic composition
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United States of America Patent
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Mar 18, 1997
Grant Date -
N/A
app pub date -
May 22, 1995
filing date -
May 24, 1994
priority date (Note) -
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Abstract
The present invention relates to a dielectric ceramic composition, comprising from 97.5 to 99.95% by weight of {100-(a+b+c+d)}BaTiO.sub.3 +aZnO+b(2Bi.sub.2 O.sub.3.3AO.sub.2)+cTa.sub.2 O.sub.5 +dRe.sub.2 O.sub.3 as main component and from 0.05 to 2.5% by weight of glass mainly comprising SiO.sub.2, and possibly also containing from 0.01 to 0.5% by weight of at least one oxides of Cr, Mn, Fe, Co, and/or Ni. A represents Zr or Sn; Re represents at least one of La, Pr, Nd, Sm, Dy and Er; and {100-(a+b+c+d)}, a, b, c, and d represent molar percent which satisfy the following relationships:
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