Invention Grant
- Patent Title: Liquid ejecting head, liquid ejecting apparatus, and piezoelectric element
- Patent Title (中): 液体喷射头,液体喷射装置和压电元件
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Application No.: US14550308Application Date: 2014-11-21
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Publication No.: US09385299B2Publication Date: 2016-07-05
- Inventor: Takayuki Yonemura , Masahisa Nawano , Akio Konishi
- Applicant: SEIKO EPSON CORPORATION
- Applicant Address: JP Tokyo
- Assignee: Seiko Epson Corporation
- Current Assignee: Seiko Epson Corporation
- Current Assignee Address: JP Tokyo
- Agency: Workman Nydegger
- Priority: JP2013-242389 20131122
- Main IPC: B41J2/045
- IPC: B41J2/045 ; H01L41/09 ; H01L41/187 ; B41J2/14

Abstract:
Provided is a piezoelectric element comprising a first electrode; a piezoelectric body layer provided on the first electrode, the piezoelectric body layer including 50 mol % or more of at least bismuth and iron, and the piezoelectric body layer having a current density-time curve obtained by applying a voltage to the first electrode and the second electrode including a plurality of inflection points; and a second electrode provided on the piezoelectric body layer.
Public/Granted literature
- US20150145926A1 LIQUID EJECTING HEAD, LIQUID EJECTING APPARATUS, AND PIEZOELECTRIC ELEMENT Public/Granted day:2015-05-28
Information query
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