Lead perovskite based ceramic compositions without any free lead oxide
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United States of America Patent
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Oct 24, 1995
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N/A
app pub date -
Jan 13, 1994
filing date -
Jan 13, 1994
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Expired
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Abstract
A ceramic composition which includes Pb(Mg.sub.1/3 Nb.sub.2/3)O.sub.3 or the oxide precursors thereof, in admixture with barium copper oxide of the formula BaCuO.sub.2 as a sinter aid therefor. The compositions do not contain any free lead oxide and have high dielectric constants, e.g. above 8000, and low loss factors, e.g. below 3%.
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