Piezoelectric film, ferroelectric ceramics and inspection method of piezoelectric film

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United States of America Patent

PATENT NO 9773968
SERIAL NO

14575109

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Abstract

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To obtain a piezoelectric film having excellent piezoelectric properties. An aspect of the present invention is a piezoelectric film having a crystal oriented in the c-axis direction and a crystal oriented in the a-axis direction, in which, when denoting the amount of a (004) component of the crystal oriented in the c-axis direction by C and denoting the amount of a (400) component of the crystal oriented in the a-axis direction by A, the piezoelectric film satisfies a formula 1 below.

description='In-line Formulae' end='lead'C/(A+C)≧0.1  formula 1description='In-line Formulae' end='tail'

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KRYSTAL INC2-1-17 ASUTOPIA UBE-SHI YAMAGUCHI 755-0152

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Honda, Yuuji Chiba, JP 53 491
Kijima, Takeshi Chiba, JP 167 1581
Tani, Yukinori Chiba, JP 2 6

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