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.: US13323673Application Date: 2011-12-12
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Publication No.: US08714713B2Publication Date: 2014-05-06
- Inventor: Masahisa Nawano
- Applicant: Masahisa Nawano
- Applicant Address: JP Tokyo
- Assignee: Seiko Epson Corporation
- Current Assignee: Seiko Epson Corporation
- Current Assignee Address: JP Tokyo
- Agency: Workman Nydegger
- Priority: JP2010-277760 20101214
- Main IPC: B41J2/015
- IPC: B41J2/015
Abstract:
A piezoelectric element comprises a silicon oxide layer, an intermediate layer provided above the silicon oxide layer, a first electrode provided above the intermediate layer, a piezoelectric layer provided above the intermediate layer, and a second electrode provided above the piezoelectric layer. The piezoelectric layer is configured of a complex oxide having a perovskite structure and containing at least bismuth and iron. The intermediate layer contains magnesium oxide and/or aluminum oxide.
Public/Granted literature
- US20120147101A1 LIQUID EJECTING HEAD, LIQUID EJECTING APPARATUS, AND PIEZOELECTRIC ELEMENT Public/Granted day:2012-06-14
Information query
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