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:
Aug. 11, 2009
Filed:
Sep. 12, 2007
Shogo Inoue, Kawasaki, JP;
Hiroyoshi Yasuda, Kawasaki, JP;
Michio Miura, Kawasaki, JP;
Satoru Matsuda, Kawasaki, JP;
Takashi Matsuda, Kawasaki, JP;
Masanori Ueda, Kawasaki, JP;
Seiichi Mitobe, Yokohama, JP;
Shogo Inoue, Kawasaki, JP;
Hiroyoshi Yasuda, Kawasaki, JP;
Michio Miura, Kawasaki, JP;
Satoru Matsuda, Kawasaki, JP;
Takashi 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, comb electrodes formed above the piezoelectric substrate, and a first dielectric film provided so as to cover the comb electrodes, the first dielectric film having empty spaces associated with fingers of the comb electrodes.