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:
Mar. 10, 2009
Filed:
Apr. 16, 2007
Hideto Naruse, Ebina, JP;
Hideto Naruse, Ebina, JP;
Epson Toyocom Corporation, Tokyo, JP;
Abstract
A piezoelectric oscillator includes: a package including a first recessed portion formed on a first surface, a second recessed portion formed on a second surface with at least a part of a side surface being open, and a conductor wired from at least one of an inside surface of the first recessed portion and an inside surface of the second recessed portion to an outside surface; a piezoelectric element accommodated in the first recessed portion; a lid being in contact with the first surface and air-tightly sealing the first recessed portion; a circuit element accommodated in the second recessed portion and connected with the conductor; a resin portion formed in the second recessed portion to cover the circuit element; and an electrical check terminal connected with the conductor of the package.