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.

Date of Patent:
Nov. 22, 2005

Filed:

Jul. 15, 2003
Applicants:

Hidenori Harima, Saitama, JP;

Hiroaki Mizumura, Saitama, JP;

Inventors:

Hidenori Harima, Saitama, JP;

Hiroaki Mizumura, Saitama, JP;

Assignee:

Nihon Dempa Kogyo Co. Ltd., Tokyo, unknown;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H03B005/32 ;
U.S. Cl.
CPC ...
Abstract

A surface-mounted crystal oscillator has a quartz crystal unit and a receptacle which is joined to the rear surface of the crystal unit for accommodating an IC (Integrated Circuit) chip. The receptacle has a bottom wall and sidewalls, and further, a concavity formed in at least one of its principal surfaces. The sidewalls surrounding the concavity are opened on at least one end of the receptacle, and at this opened end, the bottom wall is exposed and a notch portion is formed in the bottom wall.


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