Ceramic Capacitors for High Temperature Applications
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United States of America Patent
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Issued Date -
Jun 2, 2011
app pub date -
Nov 30, 2009
filing date -
Nov 30, 2009
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Abandoned
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Abstract
A ceramic capacitor having a ceramic dielectric layer positioned between a first electrode layer and a second electrode layer and methods of manufacturing the same are provided. The ceramic dielectric layer includes a niobium doped barium titanate, a sodium bismuth titanate, and barium zirconate. The niobium doped barium titanate is present in an amount such that the ceramic dielectric layer includes from about 5% by weight to about 50% by weight barium titanate and from about 0.1% by weight to about 2% by weight niobium. The sodium bismuth titanate is present in the ceramic dielectric layer in an amount from about 25% by weight to about 75% by weight, and the barium zirconate is present in an amount from about 5% by weight to about 30% by weight.
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