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:
Jun. 30, 2009
Filed:
Aug. 13, 2008
Daisuke Yamamoto, Muko, JP;
Hajime Kando, Ritto, JP;
Akihiro Teramoto, Ishikawa-gun, JP;
Toshiyuki Fuyutsume, Moriyama, JP;
Masahiko Saeki, Kanazawa, JP;
Daisuke Yamamoto, Muko, JP;
Hajime Kando, Ritto, JP;
Akihiro Teramoto, Ishikawa-gun, JP;
Toshiyuki Fuyutsume, Moriyama, JP;
Masahiko Saeki, Kanazawa, JP;
Murata Manufacturing Co., Ltd., Kyoto, JP;
Abstract
A boundary acoustic wave device includes a first medium, a second medium, and an IDT electrode disposed at an interface between the first medium and the second medium, the IDT electrode having an Au layer defining a main electrode layer, wherein a Ni layer is laminated so as to contact at least one surface of the Au layer, and a portion of Ni defining the Ni layer is diffused from the Ni layer side surface of the Au layer toward the inside of the Au layer.