The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Feb. 09, 2016
Filed:
Mar. 25, 2013
Applicant:
Seiko Epson Corporation, Tokyo, JP;
Inventors:
Koji Ohashi, Matsumoto, JP;
Yasuhiro Itayama, Chino, JP;
Kenichi Kurokawa, Suwa, JP;
Eiji Osawa, Chino, JP;
Motohisa Noguchi, Suwa, JP;
Assignee:
Seiko Epson Corporation, , JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B41J 2/045 (2006.01); B41J 2/14 (2006.01); B41J 2/16 (2006.01); H01L 41/08 (2006.01); H01L 41/09 (2006.01); H01L 41/319 (2013.01); H01L 41/18 (2006.01); H01L 41/22 (2013.01); H01L 41/27 (2013.01);
U.S. Cl.
CPC ...
B41J 2/14201 (2013.01); B41J 2/14233 (2013.01); B41J 2/161 (2013.01); B41J 2/1629 (2013.01); B41J 2/1631 (2013.01); H01L 41/0815 (2013.01); H01L 41/0973 (2013.01); H01L 41/18 (2013.01); H01L 41/22 (2013.01); H01L 41/27 (2013.01); H01L 41/319 (2013.01);
Abstract
Provided is a liquid ejecting head including a piezoelectric element which includes a piezoelectric layer and electrodes provided on the piezoelectric layer on an upper portion of a zirconium oxide layer, in which the zirconium oxide layer is formed of granular crystal grains.