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. 11, 2014
Filed:
May. 27, 2010
Yoshikazu Akiyama, Kanagawa, JP;
Takakazu Kihira, Kanagawa, JP;
Keiji Ueda, Kanagawa, JP;
Akira Shimofuku, Kanagawa, JP;
Osamu Machida, Kanagawa, JP;
Yoshikazu Akiyama, Kanagawa, JP;
Takakazu Kihira, Kanagawa, JP;
Keiji Ueda, Kanagawa, JP;
Akira Shimofuku, Kanagawa, JP;
Osamu Machida, Kanagawa, JP;
Ricoh Company, Ltd., Tokyo, JP;
Abstract
A method of producing an electromechanical transducer includes a first step of partially modifying a surface of a first electrode; a second step of applying a sol-gel liquid including a metal composite oxide to a predetermined area of the partially-modified surface of the first electrode; a third step of performing drying, thermal decomposition, and crystallization on the applied sol-gel liquid to form an electromechanical transduction film, wherein the drying includes a heat-treatment at 120° C., the decomposition includes thermal decomposition performed at 500° C., and the crystallization includes heat treatment for crystallization at 700° C.; a fourth step of repeating the first, second, and third steps to obtain the electromechanical transduction film with a desired thickness; and a fifth step of forming a second electrode on the electromechanical transduction film.