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. 20, 2014
Filed:
Oct. 16, 2012
Panasonic Corporation, Kadoma, JP;
Takakiyo Harigai, Osaka, JP;
Yoshiaki Tanaka, Nara, JP;
Hideaki Adachi, Osaka, JP;
Eiji Fujii, Osaka, JP;
Panasonic Corporation, Osaka, JP;
Abstract
The purpose of the present invention is to provide an ink jet head capable of ejecting an exact amount of ink, an angular velocity sensor capable of measuring an exact angular velocity, and a piezoelectric generating element capable of generating an electric power due to positive piezoelectric effect, even when the applied electric field of 40 kV/cm or more is applied. The piezoelectric film used for the present invention comprises a piezoelectric layer and first and second electrodes which sandwich the piezoelectric layer therebetween, the first electrode comprises a (001) orientation, the piezoelectric layer is composed of (1-z)(NaBi)TiO-zBaTiOhaving a (001) orientation, x is not less than 0.30 and not more than 0.46, y is not less than 0.51 and not more than 0.62, and z is not less than 0.07 and not more than 0.09.