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:
Oct. 24, 2006
Filed:
Jun. 30, 2004
Tsutomu Nanataki, Toyoake, JP;
Koji Kimura, Nagoya, JP;
Natsumi Shimogawa, Nagoya, JP;
Hisanori Yamamoto, Nagoya, JP;
Tsutomu Nanataki, Toyoake, JP;
Koji Kimura, Nagoya, JP;
Natsumi Shimogawa, Nagoya, JP;
Hisanori Yamamoto, Nagoya, JP;
NGK Insulators, Ltd., Nagoya, JP;
Abstract
An actuator element has a plate member, a piezoelectric/electrostrictive body disposed in facing relation to the plate member, and a beam disposed between the plate member and the piezoelectric/electrostrictive body and fixing the piezoelectric/electrostrictive body to the plate member. The piezoelectric/electrostrictive body has a piezoelectric/electrostrictive layer, an upper electrode formed on a surface of the piezoelectric/electrostrictive layer which faces the plate member, and a lower electrode formed on a surface of the piezoelectric/electrostrictive layer which is opposite to the surface thereof facing the plate member. When an electric field is applied to the upper electrode and the lower electrode, a portion of the piezoelectric/electrostrictive body is displaced toward or away from the plate member.