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:
Dec. 09, 2008
Filed:
Oct. 01, 2004
Hirotada Wachi, Yokohama, JP;
Toshifumi Tanaka, Otawara, JP;
Tohru Takezaki, Yokohama, JP;
Satoshi Ichikawa, Otawara, JP;
Tsuyoshi Oura, Kawasaki, JP;
Koichi Wada, Yokohama, JP;
Satoshi Orito, Yokohama, JP;
Hirotada Wachi, Yokohama, JP;
Toshifumi Tanaka, Otawara, JP;
Tohru Takezaki, Yokohama, JP;
Satoshi Ichikawa, Otawara, JP;
Tsuyoshi Oura, Kawasaki, JP;
Koichi Wada, Yokohama, JP;
Satoshi Orito, Yokohama, JP;
Fujitsu Media Devices Limited, Yokohama, JP;
Abstract
A surface acoustic wave device includes a piezoelectric substrate, at least one interdigital transducer (IDT) provided on the piezoelectric substrate, and a shield electrode provided on the piezoelectric substrate. The IDT has a first pattern on an edge that faces the shield electrode. The shield electrode has a second pattern on an edge so as to be evenly spaced apart from the first pattern.