Piezoelectric material, piezoelectric element, multilayered piezoelectric element, manufacturing method for multilayered piezoelectric element, liquid discharge head, liquid discharge device, ultrasonic motor, optical device, vibration device, dust removing device, imaging device, and electronic device

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United States of America Patent

PATENT NO 9768375
SERIAL NO

14417897

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Abstract

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Provided is a piezoelectric material that is free of lead and potassium, has satisfactory insulation property and piezoelectricity, and has a high Curie temperature. The piezoelectric material includes a perovskite-type metal oxide represented by the following general formula (1): General formula (1) (NaxM1-y)(Zrz(Nb1-wTaw)y(Ti1-vSnv)(1-y-z))O3 where M represents at least any one of Ba, Sr, and Ca, and relationships of 0.80≦x≦0.95, 0.85≦y≦0.95, 0

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Patent Owner(s)

Patent OwnerAddress
CANON KABUSHIKI KAISHATOKYO JAPAN DAEJEON 3 MEATBALLS 30 2 TOKYO TOKYO METROPOLIS

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Murakami, Shunsuke Kawasaki, JP 76 327
Ueda, Miki Tokyo, JP 45 244
Watanabe, Takayuki Yokohama, JP 316 3383

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