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. 12, 2010
Filed:
Apr. 03, 2007
Applicants:
Motoki Takabe, Siojiri, JP;
Koji Sumi, Shiojri, JP;
Motohisa Noguchi, Suwa, JP;
Naoto Yokoyama, Nagano-ken, JP;
Takeshi Saito, Shiojiri, JP;
Inventors:
Motoki Takabe, Siojiri, JP;
Koji Sumi, Shiojri, JP;
Motohisa Noguchi, Suwa, JP;
Naoto Yokoyama, Nagano-ken, JP;
Takeshi Saito, Shiojiri, JP;
Assignee:
Seiko Epson Corporation, Tokyo, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B41J 2/045 (2006.01); H01L 41/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
Disclosed is an actuator device that includes a piezoelectric element provided as being freely displaceable on a substrate. The piezoelectric element includes a lower electrode, a piezoelectric layer and an upper electrode. In the actuator device, the Young's modulus of the lower electrode is not less than 200 GPa.