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:
Jul. 20, 2010
Filed:
Jul. 17, 2008
Kouichi Moriya, Sayama, JP;
Kouichi Moriya, Sayama, JP;
Nihon Dempa Kogyo Co., Ltd., Tokyo, JP;
Abstract
A surface-mount type crystal oscillator has: a container body having a bottom wall and a frame wall having an opening and provided on one principal surface of the bottom wall; a quartz crystal blank hermetically encapsulated in a recess of the container body, which is formed by the opening of the frame wall; and an IC chip on which an oscillating circuit using the crystal blank is integrated. A region which is a region on the one principal surface of the bottom wall and other than formation regions of the frame wall and the recess is made a flat part, and the IC chip is fixed to the one principal surface of the bottom wall by flip-chip bonding, in the flat part. A crystal inspection terminal electrically connected to the crystal blank is provided on a surface of the flat part.