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:
Oct. 04, 2016
Filed:
Jun. 18, 2015
Applicant:
Seiko Epson Corporation, Tokyo, JP;
Inventors:
Tatsuro Torimoto, Matsumoto, JP;
Takahiro Kamijo, Matsumoto, JP;
Motoki Takabe, Matsumoto, JP;
Shiro Yazaki, Chino, JP;
Assignee:
Seiko Epson Corporation, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B41J 2/14 (2006.01); B41J 2/055 (2006.01);
U.S. Cl.
CPC ...
B41J 2/14201 (2013.01); B41J 2/055 (2013.01); B41J 2/14233 (2013.01); B41J 2002/14241 (2013.01); B41J 2002/14491 (2013.01);
Abstract
Piezoelectric elements constituted by lower electrodes, piezoelectric layers, and an upper electrode are extended from positions corresponding to openings of pressure chambers to outer positions beyond opening edges of the pressure chambers. The piezoelectric layers have exposure portions on the extended portions and the exposure portions of the piezoelectric layers are covered by an adhesive between an actuator unit and a sealing plate.