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:
Dec. 27, 2016
Filed:
Jan. 16, 2015
Taiyo Yuden Co., Ltd., Tokyo, JP;
Shinji Taniguchi, Tokyo, JP;
Tokihiro Nishihara, Tokyo, JP;
Tsuyoshi Yokoyama, Tokyo, JP;
Takeshi Sakashita, Tokyo, JP;
TAIYO YUDEN CO., LTD., Tokyo, JP;
Abstract
A piezoelectric thin film resonator includes: a substrate; a piezoelectric film provided on the substrate; a lower electrode and an upper electrode that are opposed to each other to put at least a part of the piezoelectric film therebetween; and an insertion film that is inserted into the piezoelectric film in a resonance region where at least the part of the piezoelectric film is put between the lower electrode and the upper electrode, at least a part of the insertion film corresponding to an outer circumference region in the resonance region being thicker than a part of the insertion film corresponding to a central region in the resonance region.