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:
Nov. 24, 2009
Filed:
Oct. 13, 2006
Hiroshi Nakatsuka, Osaka, JP;
Keiji Onishi, Osaka, JP;
Takehiko Yamakawa, Osaka, JP;
Tomohiro Iwasaki, Osaka, JP;
Tomohide Kamiyama, Osaka, JP;
Hiroshi Nakatsuka, Osaka, JP;
Keiji Onishi, Osaka, JP;
Takehiko Yamakawa, Osaka, JP;
Tomohiro Iwasaki, Osaka, JP;
Tomohide Kamiyama, Osaka, JP;
Panasonic Corporation, Osaka, JP;
Abstract
An acoustic resonator includes a substrate, a support section provided on the substrate, a lower electrode provided on the support section, a piezoelectric body provided on the lower electrode, and an upper electrode provided on the piezoelectric body. The lower electrode, the piezoelectric body and the upper electrode form a vibration section. The support section for supporting the vibration section is shaped such that at least one portion of a vertical cross-section thereof has a curvature.