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:
Jul. 16, 2013
Filed:
Aug. 10, 2009
Applicants:
Keiichi Hatano, Takasaki, JP;
Sumiaki Kishimoto, Takasaki, JP;
Yutaka Doshida, Takasaki, JP;
Inventors:
Assignee:
Taiyo Yuden Co., Ltd., Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01L 41/187 (2006.01);
U.S. Cl.
CPC ...
H01L 41/1873 (2013.01);
Abstract
As a piezoelectric ceramic having an alkaline-containing niobic acid-perovskite structure contains [KNa]Li[NbTaSb]O(x, y, z, and w each indicate a molar ratio, and 0≦x<1, 0≦y<1, 0≦z<1, and 0≦w<1 hold) as a primary phase and KNbOSiOas a subphase.