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. 28, 2008
Filed:
Jul. 17, 2006
Takako Motai, Kanagawa, JP;
Takako Motai, Kanagawa, JP;
Kabushiki Kaisha Toshiba, Tokyo, JP;
Abstract
A film bulk acoustic resonator includes a substrate having a cavity at a surface of the substrate; a bottom electrode provided on the surface of the substrate so as to extend over the cavity; a piezoelectric film disposed on the bottom electrode; a top electrode disposed on the piezoelectric film so as to face the bottom electrode and extending over the surface of the substrate; and a seal member configured to seal a capacitor defined by the bottom electrode, the piezoelectric film and the top electrode, and to provide an opening portion of the cavity outside the seal member at the surface of the substrate.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile