Title:
Fluid discharge head
Document Type and Number:
Japanese Patent JP6029346
Kind Code:
B2
Abstract:
In a liquid discharge head including a surface plate having a plurality of discharge ports and a liquid discharge body having a discharge portion, the discharge portion and an opening are alternately arranged on the liquid discharge body and the liquid discharge body includes a bonding unit formed by combining two piezoelectric material plates. Each piezoelectric material plate is provided with a plurality of grooves on a first surface and has a first electrode on one side wall surface and the bottom of the groove of the piezoelectric material plate, a second electrode on the other side wall surface, and a third electrode on a second surface. Each piezoelectric material plate is polarized in a direction connecting the first electrode and the second electrode, and also in a direction connecting the first electrode and the third electrode, and the two piezoelectric material plates are bonded so that the first surfaces face each other to form the bonding unit.
Inventors:
Yuji Nezu
Application Number:
JP2012140842A
Publication Date:
November 24, 2016
Filing Date:
June 22, 2012
Export Citation:
Assignee:
Canon Inc
International Classes:
B41J2/14
Domestic Patent References:
| JP5254132A | ||||
| JP9039230A | ||||
| JP2007168319A |
Attorney, Agent or Firm:
Akio Miyazaki
Masaaki Ogata
Masaaki Ogata