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. 04, 2010
Filed:
Nov. 16, 2007
Applicant:
Hiroshi Matsuo, Yokohama, JP;
Inventor:
Hiroshi Matsuo, Yokohama, JP;
Assignee:
Fujitsu Media Devices Limited, Yokohama, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H03H 9/10 (2006.01); H01L 41/09 (2006.01);
U.S. Cl.
CPC ...
Abstract
A surface acoustic wave device includes a base portion that surrounds a surface acoustic wave element and is made of a resin, and a cap portion that is adhered onto the base portion so that a cavity sealing the surface acoustic wave element is formed, and is made of a resin. At least one of an adhering face of the base portion and an adhering face of the cap portion adhering the base portion and the cap portion is subjected to a grain finish or a dull finish. A convex portion is provided inside of the adhering face that is of one of the base portion and the cap portion adhered to the other.