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:
May. 31, 2005
Filed:
Jun. 25, 2002
Applicant:
Kazuhiro Inoue, Moriyama, JP;
Inventor:
Kazuhiro Inoue, Moriyama, JP;
Assignee:
Murata Manufacturing Co., Ltd., Kyoto, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H03H009/00 ;
U.S. Cl.
CPC ...
Abstract
A surface acoustic wave device includes a surface acoustic wave element and a sealing member for sealing the surface acoustic wave element. The surface acoustic wave element has a piezoelectric substrate and an electrode provided on the piezoelectric substrate. The sealing ember is made of a resin or glass. The electrode has an electrode layer made of Al or an Al alloy and includes crystals having a twin structure.