非鉛圧電組成物の製造方法、非鉛圧電素子の製造方法、超音波プローブの製造方法及び画像診断装置の製造方法

Title:

非鉛圧電組成物の製造方法、非鉛圧電素子の製造方法、超音波プローブの製造方法及び画像診断装置の製造方法

Document Type and Number:

Japanese Patent JP6402800

Kind Code:

B2

Abstract:

The present invention is a piezoelectric composition and a piezoelectric element using the piezoelectric composition, the composition being characterized by: having a Perovskite structure represented by general formula ABO3; being represented by composition formula x(Bi0.5K0.5)TiO3-yBi(Mg0.5Ti0.5)O3-zBiFeO3, x+y+z=1 in the composition formula above; and in a triangular coordinate using x, y and z in the composition formula above, having a composition represented by a region which is surrounded by a pentagon ABCDE with apexes of point A (1, 0, 0), point B (0.7, 0.3, 0), point C (0.1, 0.3, 0.6), point D (0.1, 0.1, 0.8) and point E (0.2, 0, 0.8) and which does not include the line segment AE that connects point A (1, 0, 0) and point E (0.2, 0, 0.8).

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Inventors:

Nao Minemoto
Satoshi Wada

Application Number:

JP2017089773A

Publication Date:

October 10, 2018

Filing Date:

April 28, 2017

Export Citation:

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Assignee:

Konica Minolta Co., Ltd.

International Classes:

C04B35/01; A61B8/14; C04B35/462; C04B35/64; H01L41/09; H01L41/113; H01L41/187; H01L41/43; H04R31/00

Domestic Patent References:

JP2010126421A
JP2007287745A
JP2011142146A
JP2007268132A
JP2004290548A
JP2008069051A

Foreign References:

CN101973763A

Attorney, Agent or Firm:

Koichi Washida
Takashi Kiso

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