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
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Application No.: US13420288Application Date: 2012-03-14
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Publication No.: US08770724B2Publication Date: 2014-07-08
- Inventor: Masao Nakayama , Noboru Furuya
- Applicant: Masao Nakayama , Noboru Furuya
- Assignee: Seiko Epson Corporation
- Current Assignee: Seiko Epson Corporation
- Agent Workman Nydegger
- Priority: JP2011-056276 20110315
- Main IPC: B41J2/045
- IPC: B41J2/045
Abstract:
A piezoelectric element including: a first electrode, a piezoelectric layer formed above the first electrode to have a longitudinal direction and a transverse direction, and a second electrode formed above the piezoelectric layer, wherein at least a part of a side surface of the piezoelectric layer in the transverse direction is a concavo-convex surface, and a width of the piezoelectric layer in the transverse direction from the second electrode to the first electrode changes with the concavo-convex surface.
Public/Granted literature
- US20120236081A1 PIEZOELECTRIC ELEMENT, LIQUID EJECTING HEAD, AND LIQUID EJECTING APPARATUS Public/Granted day:2012-09-20
Information query
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