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:
Jun. 30, 2009
Filed:
Sep. 09, 2005
Applicants:
Hiroshi Nakatsuka, Osaka, JP;
Naohiro Tsurumi, Kyoto, JP;
Kazuhiro Yahata, Osaka, JP;
Inventors:
Assignee:
Panasonic Corporation, Osaka, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H03H 9/70 (2006.01);
U.S. Cl.
CPC ...
Abstract
A filter module includes a substrate and a plurality of resonators formed on the substrate and utilizing longitudinal vibration along the thickness of a piezoelectric layer. A plurality of external connection terminals are formed above or below the piezoelectric layer so as to be electrically connected to external circuits and also electrically connected to some of the plurality of resonators through a plurality of interconnects formed to the side of the piezoelectric layer to which the external connection terminals are formed.