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:
Sep. 08, 2009
Filed:
Jan. 23, 2008
Keiji Tsuda, Kanagawa, JP;
Jyouji Kimura, Kanagawa, JP;
Shunichi Aikawa, Kanagawa, JP;
Kazunori Inoue, Kawasaki, JP;
Takashi Matsuda, Kawasaki, JP;
Keiji Tsuda, Kanagawa, JP;
Jyouji Kimura, Kanagawa, JP;
Shunichi Aikawa, Kanagawa, JP;
Kazunori Inoue, Kawasaki, JP;
Takashi Matsuda, Kawasaki, JP;
Fujitsu Media Devices Limited, Yokohama, JP;
Fujitsu Limited, Kawasaki, JP;
Abstract
An acoustic wave device includes an acoustic wave element formed on a substrate, a first seal portion provided on the substrate so as to form a cavity above the acoustic wave element, and a second seal portion provided on the first seal portion, the first seal portion having a step so that the first seal portion has a width on a first side and another width on a second side arranged so that the first side is closer than the second side to the substrate, and the width on the first side is greater than the another width on the second side.