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:
Jun. 07, 2016
Filed:
Dec. 17, 2014
Toshiaki Masuda, Kanagawa, JP;
Keishi Miwa, Kanagawa, JP;
Keisuke Hayashi, Kanagawa, JP;
Takahiko Kuroda, Hyogo, JP;
Toshiaki Masuda, Kanagawa, JP;
Keishi Miwa, Kanagawa, JP;
Keisuke Hayashi, Kanagawa, JP;
Takahiko Kuroda, Hyogo, JP;
Ricoh Company, Ltd., Tokyo, JP;
Abstract
A method of producing an electromechanical transducer element includes forming a first, common electrode on one of a substrate and an undercoat layer; forming an electromechanical transducer film on the first electrode; forming a second electrode on the electromechanical transducer film; forming a first protective film on an upper surface of the second electrode, the electromechanical transducer film, and a side wall of the second electrode, and selectively forming a second protective film on a portion of the first protective film protecting the electromechanical transducer film and the side wall of the second electrode.