The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Date of Patent:
Mar. 17, 2015

Filed:

Jan. 01, 2010
Applicants:

Makoto Kubota, Yokohama, JP;

Toshihiro Ifuku, Yokohama, JP;

Hiroshi Funakubo, Yokohama, JP;

Keisuke Yazawa, Yokohama, JP;

Hiroshi Uchida, Tokyo, JP;

Takashi Iijima, Tsukuba, JP;

Bong-yeon Lee, Tsukuba, JP;

Inventors:

Makoto Kubota, Yokohama, JP;

Toshihiro Ifuku, Yokohama, JP;

Hiroshi Funakubo, Yokohama, JP;

Keisuke Yazawa, Yokohama, JP;

Hiroshi Uchida, Tokyo, JP;

Takashi Iijima, Tsukuba, JP;

Bong-yeon Lee, Tsukuba, JP;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01L 41/18 (2006.01); C04B 35/111 (2006.01); C04B 35/01 (2006.01); H01L 41/187 (2006.01); H01L 41/316 (2013.01);
U.S. Cl.
CPC ...
C04B 35/111 (2013.01); C04B 35/01 (2013.01); H01L 41/1878 (2013.01); H01L 41/316 (2013.01); C04B 2235/3217 (2013.01); C04B 2235/3225 (2013.01); C04B 2235/3232 (2013.01); C04B 2235/3262 (2013.01); C04B 2235/327 (2013.01); C04B 2235/3284 (2013.01); C04B 2235/3298 (2013.01); Y10S 428/938 (2013.01);
Abstract

Provided is a piezoelectric material having a high Curie temperature and satisfactory piezoelectric characteristics, the piezoelectric material being represented by the following general formula (1):A(ZnTi)MO  (1)where A represents a Bi element, M represents at least one element selected from Fe, Al, Sc, Mn, Y, Ga, and Yb; x represents a numerical value of 0.4≦x≦0.6; and y represents a numerical value of 0.17≦y≦0.60.


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