Title:
PIEZOELECTRIC BODY, ULTRASONIC TRANSDUCER, MEDICAL ULTRASONOGRAPH, AND NONDESTRUCTIVE ULTRASONIC INSPECTION INSTRUMENT
Document Type and Number:
WIPO Patent Application WO/2011/010484
Kind Code:
A1
Abstract:
A piezoelectric body is disclosed which is improved in piezoelectric properties in a broader band region and is useful as a sensor, an actuator, an ultrasonic transducer, and so forth. The piezoelectric body comprises characteristically (a) a structure of an alternate laminate of a layer of an organo onium (G) and a layer of an inorganic phase (MX4), represented by the general formula below; and an inorganic phase (MX4) laminated alternately in layers, or (b) a composite composed of aggregate particles of a graphene structure and perovskite structure of an average particle size of not more than 200 nm:
General formula:
G2MX4
(where G denotes an organo onium, M denotes any of IV group elements and transition metals, and X denotes any of Cl, Br, and I.)
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Inventors:
OKUBO TSUYOSHI (JP)
Application Number:
PCT/JP2010/053287
Publication Date:
January 27, 2011
Filing Date:
March 02, 2010
Export Citation:
Assignee:
KONICA MINOLTA MED & GRAPHIC (JP)
OKUBO TSUYOSHI (JP)
OKUBO TSUYOSHI (JP)
International Classes:
H01L41/08; A61B8/00; G01N29/24; H01L41/09; H01L41/18; H01L41/187; H01L41/39; H01L41/45; C01G21/00
Foreign References:
| JP2002246670A | 2002-08-30 | |||
| JP2006269391A | 2006-10-05 |
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