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:
Aug. 14, 2012
Filed:
Feb. 26, 2008
Satoshi Suzuki, Nisshin, JP;
Atsushi Murai, Kuwana, JP;
Hiroaki Asano, Kuwana, JP;
Kouji Noda, Aichi-ken, JP;
Toshiatu Nagaya, Kuwana, JP;
Akio Iwase, Nishio, JP;
Akira Fujii, Yokkaichi, JP;
Shige Kadotani, Aichi-ken, JP;
Satoshi Suzuki, Nisshin, JP;
Atsushi Murai, Kuwana, JP;
Hiroaki Asano, Kuwana, JP;
Kouji Noda, Aichi-ken, JP;
Toshiatu Nagaya, Kuwana, JP;
Akio Iwase, Nishio, JP;
Akira Fujii, Yokkaichi, JP;
Shige Kadotani, Aichi-ken, JP;
Denso Corporation, Kariya, JP;
Abstract
A stacked piezoelectric deviceincluding a ceramic laminate formed by laminating piezoelectric ceramic layers and inner electrode layers alternately and a pair of side electrodes. The inner electrode layersandhave inner electrode portionsandand the recessed portionsand. The ceramic laminatehas the stress absorbing portionsand. A recessed distance of one of two of the recessed portionsandwhich interleave the stress absorbing portionsandtherebetween which is located on the same side surface as the stress absorbing portionoris greater than the depth of the stress absorbing portionand