Compositions – Piezoelectric – Lead – zirconium – titanium or compound thereof containing
Patent
1995-12-21
1997-07-15
Green, Anthony
Compositions
Piezoelectric
Lead, zirconium, titanium or compound thereof containing
252 629R, 501134, 501135, 501136, C04B 3549
Patent
active
056480121
ABSTRACT:
A piezoelectric ceramic composition comprising a perovskite compound which contains, as metal components, Pb, Sr, Zr, Ti, Nb, Cr, Y, Co and at least one element selected from La, Gd, Nd, Sm and Pr, and may further contain Sb or Na, wherein when the composition formula is expressed as,
Eguchi Tomonori
Hayashi Harumi
Higashibeppu Makoto
Kawamoto Tomohiro
Onitsuka Katsuhiko
Green Anthony
Kyocera Corporation
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