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:
May. 22, 2012
Filed:
Nov. 10, 2010
Applicants:
Yoshiro Tajitsu, Osaka, JP;
Masamichi Andoh, Kyoto-fu, JP;
Satoshi Kuretake, Kyoto-fu, JP;
Inventors:
Assignees:
A School Corporation Kansai University, Suita-Shi, JP;
Murata Manufacturing Co., Ltd., Nagaokakyo-Shi, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01L 41/193 (2006.01); H01L 41/047 (2006.01);
U.S. Cl.
CPC ...
Abstract
A piezoelectric element including a plurality of stacked piezoelectric sheets, wherein the stretching axis of a first piezoelectric sheet and the stretching axis of a second piezoelectric sheet of the plurality of piezoelectric sheets are oriented in different directions from each other. Preferably, the stretching axis of the first piezoelectric sheet and the stretching axis of the second piezoelectric sheet are intersected at an angle of 90 degrees.