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.
Patent No.:
Date of Patent:
Jul. 14, 2015
Filed:
Feb. 28, 2011
Makoto Kubota, Yokohama, JP;
Kaoru Miura, Matsudo, JP;
Hisato Yabuta, Machida, JP;
Takayuki Watanabe, Yokohama, JP;
Jumpei Hayashi, Chofu, JP;
Hiroshi Funakubo, Yokohama, JP;
Tomoaki Yamada, Yokohama, JP;
Shintaro Yasui, Yokohama, JP;
Keisuke Yazawa, Yokohama, JP;
Hiroshi Uchida, Tokyo, JP;
Jun-ichi Nagata, Yokohama, JP;
Makoto Kubota, Yokohama, JP;
Kaoru Miura, Matsudo, JP;
Hisato Yabuta, Machida, JP;
Takayuki Watanabe, Yokohama, JP;
Jumpei Hayashi, Chofu, JP;
Hiroshi Funakubo, Yokohama, JP;
Tomoaki Yamada, Yokohama, JP;
Shintaro Yasui, Yokohama, JP;
Keisuke Yazawa, Yokohama, JP;
Hiroshi Uchida, Tokyo, JP;
Jun-ichi Nagata, Yokohama, JP;
Canon Kabushiki Kaisha, Tokyo, JP;
Tokyo Institute of Technology, Tokyo, JP;
Sophia School Corporation, Tokyo, JP;
Abstract
Provided is a Bi-based piezoelectric material having good piezoelectric properties. The piezoelectric material includes a perovskite-type metal oxide represented by the following general formula (1):A(ZnTi)(MgTi)MO  General formula (1)where: A represents a Bi element, or one or more kinds of elements selected from the group consisting of trivalent metal elements and containing at least a Bi element; M represents at least one kind of an element selected from the group consisting of Fe, Al, Sc, Mn, Y, Ga, and Yb; and 0.9≦x≦1.25, 0.4≦j≦0.6, 0.4≦k≦0.6, 0.09≦l≦0.49, 0.19≦m≦0.64, 0.13≦n≦0.48, and l+m+n=1 are satisfied.