Method of fabricating a piezoelectric ceramic
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United States of America Patent
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Sep 30, 2003
Grant Date -
N/A
app pub date -
Nov 27, 2000
filing date -
Dec 27, 1999
priority date (Note) -
Expired
status (Latency Note)
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Abstract
There is disclosed a method of fabricating a piezoelectric ceramics. It can obtain a small grain size and a fine grain phase by forming a combined powder being major components, stirring the combined powder with (COOH).sub.2 water solution, dropping a Pb(NO.sub.3).sub.2 water solution into the stirred powder, and forming a PZT powder by calcinations and sintering processes.
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