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:
Mar. 17, 2009
Filed:
Oct. 20, 2006
Hideki Kawamura, Sagamihara, JP;
Takahiro Oguchi, Yasu, JP;
Keiichi Umeda, Omihachiman, JP;
Hajime Yamada, Otsu, JP;
Hideki Kawamura, Sagamihara, JP;
Takahiro Oguchi, Yasu, JP;
Keiichi Umeda, Omihachiman, JP;
Hajime Yamada, Otsu, JP;
Abstract
A thin-film piezoelectric resonator having a thin-film portion with a piezoelectric thin film disposed between a pair of opposing electrodes, an insulating layer formed on one of the pair of electrodes of the thin-film portion, and a substrate supporting the other electrode of the thin-film portion. The thin-film portion and the insulating layer together vibrate in at least one mode of second and higher harmonic modes, and an antinode in the at least one mode of the second and higher harmonic modes is located in the insulating layer.