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:
Apr. 05, 2011
Filed:
May. 25, 2007
Tatsuya Murakami, Kakogawa, JP;
Masashi Hirai, Kakogawa, JP;
Makoto Miyagawa, Kakogawa, JP;
Akihiro Kanbara, Kakogawa, JP;
Tatsuya Murakami, Kakogawa, JP;
Masashi Hirai, Kakogawa, JP;
Makoto Miyagawa, Kakogawa, JP;
Akihiro Kanbara, Kakogawa, JP;
Daishinku Corporation, Kakogawa-shi, JP;
Abstract
A piezoelectric resonator device includes a base holding a piezoelectric resonator element and a lid bonded to the base in order to hermetically seal the piezoelectric resonator element held on the base. In addition, the region of bonding of the base to the lid is composed of at least a nickel-cobalt layer comprising nickel and cobalt, and a metal layer laminated on the nickel-cobalt layer, with the base and lid bonded by heat-melting using a metallic braze material.