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:
Dec. 01, 2015
Filed:
Apr. 01, 2015
Naoya Kondo, Kanagawa, JP;
Naoya Kondo, Kanagawa, JP;
Ricoh Company, Ltd., Tokyo, JP;
Abstract
An electromechanical transducer element includes a substrate; a common electrode disposed on the substrate; an electromechanical transducer film formed on the common electrode; an individual electrode formed on the electromechanical transducer film; a common electrode pad electrically connected to the common electrode; an individual electrode pad electrically connected to the individual electrode; and an insulation protective film formed on the common electrode and the individual electrode, contacting an upper end of the individual electrode pad, and surrounding a side surface of the individual electrode pad. The insulation protective film has a gradually decreasing thickness outward from an end of the individual electrode pad.