Piezoelectric material and piezoelectric element using the same, and electronic apparatus using the piezoelectronic element

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United States of America Patent

PATENT NO 9660174
APP PUB NO 20150194594A1
SERIAL NO

14420135

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Abstract

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Provided is a lead-free piezoelectric material having a high Curie temperature, a satisfactory mechanical quality factor, and a satisfactory Young's modulus, and a piezoelectric element and a multilayered piezoelectric element each using the piezoelectric material. The piezoelectric material contains 0.04 mol % or more to 2.00 mol % or less of Cu with respect to 1 mol of a perovskite-type metal oxide represented by the following general formula: (KvBiwBa1-v-w)1-yNax(NbyTi1-y)O3 where relationships of 0

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Patent Owner(s)

Patent OwnerAddress
CANON KABUSHIKI KAISHAOHTA-KU TOKYO 146-8501
UNIVERSITY OF YAMANASHIKOFU-SHI YAMANASHI 400-8510

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Kumada, Nobuhiro Kofu, JP 21 261
Murakami, Shunsuke Kawasaki, JP 76 327
Ueda, Miki Tokyo, JP 45 244
Watanabe, Takayuki Yokohama, JP 316 3383

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