Piezoelectric ceramic composition for actuator
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United States of America Patent
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-
Jan 3, 1995
Grant Date -
N/A
app pub date -
Dec 9, 1993
filing date -
Dec 9, 1993
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
The present invention relates to a piezoelectric ceramic composition for actuator which is a composition comprising a basic composition containing lead, lanthanum, alkali earth metals, zirconium, titanium and oxygen in the formulation represented by the following general formula (I): ##EQU1## where A represents one or more element(s) selected from the group consisting of Ba, Ca and Sr; 0
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