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. 10, 2014
Filed:
Jan. 18, 2012
Kazushige Hatakeyama, Kanagawa, JP;
Takashi Miyagawa, Kanagawa, JP;
Kazushige Hatakeyama, Kanagawa, JP;
Takashi Miyagawa, Kanagawa, JP;
Taiyo Yuden Co., Ltd., Tokyo, JP;
Abstract
An acoustic wave device includes, a substrate, an acoustic wave device chip that has a vibration part exciting an acoustic wave and is mounted on a surface of the substrate so that the vibration part is exposed to a space formed between the substrate and the acoustic wave device chip, and a joining part that is provided so as to surround the vibration part and joins the substrate and the acoustic wave device chip together. The joining part includes a first member made of solder, and a second member that is stacked on the first member and is made of a substance having a melting point higher than the solder. The second member has a thickness larger than a coplanarity of the surface of the substrate.