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. 23, 2011
Filed:
Oct. 01, 2008
Takashi Yagi, Kanagawa, JP;
Hiroyuki Usami, Tokyo, JP;
Takashi Yagi, Kanagawa, JP;
Hiroyuki Usami, Tokyo, JP;
Fuji Xerox Co., Ltd., Tokyo, JP;
Abstract
A piezoelectric element substrate is provided with a support substrate, an insulating orientation auxiliary layer formed on the support substrate, a lower electrode layer formed on the orientation auxiliary layer so that an uncoated portion where the orientation auxiliary layer is not coated with the lower electrode layer is constituted at least a portion thereof, a piezoelectric substance layer formed on the lower electrode layer and the uncoated portion of the orientation auxiliary layer, and an upper electrode layer formed on the piezoelectric substance layer, wherein the orientation auxiliary layer and the piezoelectric substance layer comprise a material of the same crystal system.