Ceramic capacitor having a dielectric of (Pb,La) (Zr,Ti)O.sub.3 and BaTiO.sub.3
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United States of America Patent
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Aug 26, 1980
Issued Date -
N/A
app pub date -
Jan 12, 1979
filing date -
Jan 12, 1979
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A ceramic capacitor has a dielectric body including a ceramic and a low melting flux. The ceramic consists of a major proportion of an antiferroelectric lead lanthanum zirconate titanate and a minor proportion of a barium titanate. The body may also include up to 10 weight percent of a low melting flux, which is especially useful in monolithic ceramic capacitors having buried silver-containing electrodes. These dielectric bodies exhibit at moderate voltage stress levels an improved combination of properties including a high dielectric constant that is relatively stable with changing voltage and temperature.
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