Invention Grant
- Patent Title: Piezoelectric element, liquid-ejecting head, and liquid-ejecting apparatus
- Patent Title (中): 压电元件，液体喷射头和液体喷射装置
-
Application No.: US13100348Application Date: 2011-05-04
-
Publication No.: US08371681B2Publication Date: 2013-02-12
- Inventor: Hiromu Miyazawa
- Applicant: Hiromu Miyazawa
- Applicant Address: JP Tokyo
- Assignee: Seiko Epson Corporation
- Current Assignee: Seiko Epson Corporation
- Current Assignee Address: JP Tokyo
- Agency: Workman Nydegger
- Priority: JP2010-107740 20100507
- Main IPC: B41J2/045
- IPC: B41J2/045 ; C04B35/495 ; C04B35/00 ; H01L41/18 ; H01L41/187
Abstract:
A piezoelectric element includes a piezoelectric layer and electrodes provided to the piezoelectric layer. The piezoelectric layer consists of a complex oxide containing bismuth, cerium, iron and cobalt and the molar ratio of cobalt to the total of iron and cobalt is 0.125 or more and 0.875 or less.
Public/Granted literature
- US20110273516A1 PIEZOELECTRIC ELEMENT, LIQUID-EJECTING HEAD, AND LIQUID-EJECTING APPARATUS Public/Granted day:2011-11-10
Information query
IPC分类:
