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. 06, 2011
Filed:
Mar. 19, 2008
Applicants:
Yoji Nagano, Chigasaki, JP;
Tatsuya Anzai, Hadano, JP;
Hideo Tanaya, Suwa, JP;
Inventors:
Assignee:
Seiko Epson Corporation, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H04R 31/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
A quartz crystal device includes a crystal resonator element and a package including a plurality of components. The plurality of components are bonded using a metal paste sealing material containing a metallic particle having an average particle size from 0.1 to 1.0 μm, an organic solvent, and a resin material in proportions of from 88 to 93 percent by weight from 5 to 15 percent by weight, and from 0.01 to 4.0 percent by weight, respectively, to hermetically seal the crystal resonator element in the package.