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:
Jul. 21, 2009
Filed:
Sep. 11, 2007
Takashi Matsuda, Kawasaki, JP;
Shogo Inoue, Kawasaki, JP;
Michio Miura, Kawasaki, JP;
Satoru Matsuda, Kawasaki, JP;
Masanori Ueda, Kawasaki, JP;
Seiichi Mitobe, Yokohama, JP;
Takashi Matsuda, Kawasaki, JP;
Shogo Inoue, Kawasaki, JP;
Michio Miura, Kawasaki, JP;
Satoru Matsuda, Kawasaki, JP;
Masanori Ueda, Kawasaki, JP;
Seiichi Mitobe, Yokohama, JP;
Fujitsu Media Devices Limited, Yokohama, JP;
Fujitsu Limited, Kawasaki, JP;
Abstract
An acoustic wave device includes a piezoelectric substrate, a first dielectric film provided on the piezoelectric substrate, electrodes that are provided on the first dielectric film and excite an acoustic wave, and a second dielectric film that is provided so as to cover the electrodes and is thicker than the electrodes.