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. 24, 2015
Filed:
Jan. 09, 2013
Osamu Machida, Kanagawa, JP;
Yoshikazu Akiyama, Kanagawa, JP;
Ryo Tashiro, Kanagawa, JP;
Akira Shimofuku, Kanagawa, JP;
Eiichi Ohta, Kanagawa, JP;
Kenichi Ogata, Kanagawa, JP;
Osamu Machida, Kanagawa, JP;
Yoshikazu Akiyama, Kanagawa, JP;
Ryo Tashiro, Kanagawa, JP;
Akira Shimofuku, Kanagawa, JP;
Eiichi Ohta, Kanagawa, JP;
Kenichi Ogata, Kanagawa, JP;
Ricoh Company, Ltd., Tokyo, JP;
Abstract
Disclosed is an electromechanical transducer element including a first electrode disposed on a substrate; an electromechanical transducer film disposed on a first portion of the first electrode; and a second electrode disposed on a second portion of the electromechanical transducer film, wherein an actuator portion formed by laminating the substrate, the first electrode, the electromechanical transducer film, and the second electrode has a stiffness such that, in a cross section of the actuator portion, the stiffness gradually increases from an end portion of the actuator portion to a center portion of the actuator portion.