Title:
液体吐出ヘッドおよび液体噴射装置
Document Type and Number:
Japanese Patent JP4662084
Kind Code:
B2
Abstract:
A liquid jet head includes: a nozzle plate having a nozzle opening; a pressure chamber substrate having a pressure chamber communicating with the nozzle opening and formed above the nozzle plate; a vibration formed on one side of the pressure chamber substrate; and a piezoelectric element formed above the vibration plate and provided at a position corresponding to the pressure chamber, wherein the piezoelectric element includes two electrodes, a piezoelectric layer provided between the electrodes, and an orientation layer that is provided between one of the electrodes closer to the vibration plate and the piezoelectric layer, wherein the orientation layer includes a mixed crystal of lanthanum nickelate, and the lanthanum nickelate included in the mixed crystal is expressed by a formula LaxNiyOz, where x is an integer of any of 1 to 3, y is 1 or 2, and z is an integer of any of 2 to 7.
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Inventors:
Koji Ohashi
Setsuya Iwashita
Eiji Osawa
Setsuya Iwashita
Eiji Osawa
Application Number:
JP2008192462A
Publication Date:
March 30, 2011
Filing Date:
July 25, 2008
Export Citation:
Assignee:
Seiko Epson Corporation
International Classes:
B41J2/045; B41J2/055; B41J2/16
Domestic Patent References:
| JP2006253476A | ||||
| JP2006253477A | ||||
| JP2007134566A |
Attorney, Agent or Firm:
Yukio Fuse
Mitsue Obuchi
Misa Nagata
Mitsue Obuchi
Misa Nagata