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. 04, 2013
Filed:
Jun. 03, 2010
Applicants:
Toshikatsu Kashiwaya, Inazawa, JP;
Yuya Kikuta, Nagoya, JP;
Tomohiko Hibino, Nagoya, JP;
Inventors:
Assignee:
NGK Insulators, Ltd., Nagoya, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01L 41/187 (2006.01);
U.S. Cl.
CPC ...
Abstract
There is provided a piezoelectric/electrostrictive element having little decease of Qm even in a high electric field in the case of a piezoelectric element. The piezoelectric/electrostrictive body is characterized in that the rate of Qm in an electric field of 10 V/mm is 30% or more with respect to Qm in an electric field of 1 V/mm.