Perovskite oxide, process for producing the perovskite oxide, piezoelectric body, piezoelectric device, and liquid discharge device

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United States of America Patent

PATENT NO 8434856
APP PUB NO 20110216132A1
SERIAL NO

13040592

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Abstract

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A process for producing a piezoelectric oxide having a composition (A, B, C)(D, E, F)O3, where each of A, B, C, D, E, and F represents one or more metal elements. The composition is determined so as to satisfy the conditions (1), (2), (3), and (4),

description='In-line Formulae' end='lead'0.98≦TF(P)≦1.01,  (1)description='In-line Formulae' end='tail'

description='In-line Formulae' end='lead'TF(ADO3)>1.0,  (2)description='In-line Formulae' end='tail'

description='In-line Formulae' end='lead'TF(BEO3)<1.0, and  (3)description='In-line Formulae' end='tail'

description='In-line Formulae' end='lead'TF(BEO3)<TF(CFO3)<TF(ADO3),  (4)description='In-line Formulae' end='tail'

where TF(P) is the tolerance factor of the perovskite oxide, and TF(ADO3), TF(BEO3), and TF(CFO3) are respectively the tolerance factors of the compounds ADO3, BEO3, and CFO3.

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Patent Owner(s)

Patent OwnerAddress
FUJIFILM CORPORATION26-30 NISHIAZABU 2-CHOME MINATO-KU TOKYO 1068620 ?1068620

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Sakashita, Yukio Kanagawa-ken, JP 64 1040
Sasaki, Tsutomu Kanagawa-ken, JP 189 2567

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