Invention Grant
- Patent Title: Piezoelectric material and devices using the same
- Patent Title (中): 压电材料和使用相同的器件
-
Application No.: US13580061Application Date: 2011-02-28
-
Publication No.: US09082975B2Publication Date: 2015-07-14
- Inventor: Makoto Kubota , Kaoru Miura , Hisato Yabuta , Takayuki Watanabe , Jumpei Hayashi , Hiroshi Funakubo , Tomoaki Yamada , Shintaro Yasui , Keisuke Yazawa , Hiroshi Uchida , Jun-ichi Nagata
- Applicant: Makoto Kubota , Kaoru Miura , Hisato Yabuta , Takayuki Watanabe , Jumpei Hayashi , Hiroshi Funakubo , Tomoaki Yamada , Shintaro Yasui , Keisuke Yazawa , Hiroshi Uchida , Jun-ichi Nagata
- Applicant Address: JP Tokyo JP Tokyo JP Tokyo
- Assignee: Canon Kabushiki Kaisha,Tokyo Institute of Technology,Sophia School Corporation
- Current Assignee: Canon Kabushiki Kaisha,Tokyo Institute of Technology,Sophia School Corporation
- Current Assignee Address: JP Tokyo JP Tokyo JP Tokyo
- Agency: Fitzpatrick, Cella, Harper & Scinto
- Priority: JP2010-045908 20100302; JP2010-204420 20100913; JP2010-292850 20101228
- International Application: PCT/JP2011/055154 WO 20110228
- International Announcement: WO2011/111643 WO 20110915
- Main IPC: H01L41/187
- IPC: H01L41/187 ; H01L41/18 ; C04B35/01 ; C04B35/26 ; C04B35/44 ; C04B35/453 ; C04B35/475 ; C04B35/632 ; H01L41/08 ; H01L41/09 ; H02N2/10 ; H02N2/16 ; H01L41/316 ; H01L41/318

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): Ax(ZnjTi(1-j))l(MgkTi(1-k))mMnO3 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.
Public/Granted literature
- US20130127298A1 PIEZOELECTRIC MATERIAL AND DEVICES USING THE SAME Public/Granted day:2013-05-23
Information query
IPC分类: