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:
Oct. 11, 2010
Filed:
Nov. 21, 2008
Tokihiro Nishihara, Kanagawa, JP;
Tsuyoshi Yokoyama, Kanagawa, JP;
Takeshi Sakashita, Kanagawa, JP;
Masafumi Iwaki, Kanagawa, JP;
Tsutomu Miyashita, Kanagawa, JP;
Tokihiro Nishihara, Kanagawa, JP;
Tsuyoshi Yokoyama, Kanagawa, JP;
Takeshi Sakashita, Kanagawa, JP;
Masafumi Iwaki, Kanagawa, JP;
Tsutomu Miyashita, Kanagawa, JP;
Taiyo Yuden Co., Ltd., Tokyo, JP;
Fujitsu Media Devices Limited, Yokohama, JP;
Abstract
A piezoelectric thin-film resonator includes a substrate, a lower electrode arranged on the substrate, a piezoelectric film arranged on the lower electrode, and an upper electrode arranged on the piezoelectric film. A region in which the upper electrode overlaps with the lower electrode through the piezoelectric film has an elliptical shape, and a condition such that 1<a/b<1.9 is satisfied where a is a main axis of the elliptical shape, and b is a sub axis thereof.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile