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:
Mar. 23, 2004
Filed:
Oct. 03, 2001
Keiji Onishi, Settsu, JP;
Akihiro Nanba, Osaka, JP;
Hiroki Sato, Moriguchi, JP;
Katsunori Moritoki, Takatsuki, JP;
Yoshihiro Bessho, Higashiosaka, JP;
Kunihiro Fujii, Hirakata, JP;
Kouzou Murakami, Osaka, JP;
Matsushita Electric Industrial Co., Ltd., Osaka, JP;
Abstract
A surface acoustic wave device of the present invention includes a piezoelectric substrate, a plurality of comb electrodes for exciting a surface acoustic wave, disposed on a principal plane of the piezoelectric substrate, a plurality of bumps disposed on the principal plane, and an insulating sheet disposed so as to be opposed to the principal plane, wherein the bumps and the comb electrodes are connected electrically to each other, and the bumps penetrate through the insulating sheet.