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:
Sep. 25, 2012
Filed:
Mar. 19, 2010
Masahiro Sakakibara, Toyokawa, JP;
Masahiro Sakakibara, Toyokawa, JP;
Brother Kogyo Kabushiki Kaisha, Nagoya, JP;
Abstract
In a piezoelectric transducer element, on a base body having a fixing part and a movable part which are connected with each other, a piezoelectric body which is sandwiched between a lower electrode and an upper electrode is formed in a state where the piezoelectric body extends between and over the fixing part and the movable part of the base body. The piezoelectric body converts a change in potential between the lower electrode and the upper electrode into mechanical displacement of the movable part relative to the fixing part or the mechanical displacement into the change in potential. The upper electrode includes a pad electrode for connection which is formed above the fixing part, and the lower electrode is not formed in a region above the fixing part and below the pad electrode.