Pyroelectric ceramic composite structure
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United States of America Patent
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-
Mar 3, 1992
Grant Date -
N/A
app pub date -
Sep 11, 1990
filing date -
Sep 28, 1989
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A pyroelectric ceramic composition structure composed of ceramic agglomerations assembled from a plurality of pyroelectric ceramic compositions to form a structure with a high pyroelectric constant, and a second transition temperature below its curie temperature. The composition is made up of a compound of the formula: PbZr.sub.x (Zn.sub.1/3 Nb.sub.2/3).sub.y Ti.sub.z O.sub.3 wherein X+Y+Z=1, X=0.72-0.95; Y=0.1-Z and 0
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