Invention Grant
- Patent Title: Piezoelectric element, method for manufacturing the same, and piezoelectric element-applied device
-
Application No.: US16031017Application Date: 2018-07-10
-
Publication No.: US11374162B2Publication Date: 2022-06-28
- Inventor: Koji Sumi , Tomokazu Kobayashi , Tomohiro Sakai , Kazuya Kitada , Koichi Morozumi , Tsutomu Asakawa
- Applicant: Seiko Epson Corporation
- Applicant Address: JP Tokyo
- Assignee: Seiko Epson Corporation
- Current Assignee: Seiko Epson Corporation
- Current Assignee Address: JP Tokyo
- Agency: Harness, Dickey & Pierce, P.L.C.
- Priority: JPJP2017-135407 20170711
- Main IPC: H01L41/09
- IPC: H01L41/09 ; H01L41/29 ; H01L41/047 ; H01L41/187 ; H01L41/317 ; B41J2/14
Abstract:
A piezoelectric element includes a first electrode; a piezoelectric layer, placed on or above the first electrode, containing potassium, sodium, niobium, titanium, and oxygen; and a second electrode placed on or above the piezoelectric layer.
Public/Granted literature
- US20190019941A1 PIEZOELECTRIC ELEMENT, METHOD FOR MANUFACTURING THE SAME, AND PIEZOELECTRIC ELEMENT-APPLIED DEVICE Public/Granted day:2019-01-17
Information query
IPC分类:
