Surface-mount crystal oscillator having an opened portion of...

Details Surface-mount crystal oscillator having an opened portion of... Surface-mount crystal oscillator having an opened portion of...

2005-11-22

2005-11-22

Chang, Joseph (Department: 2817)

Oscillators

With outer casing or housing

C310S348000

Reexamination Certificate

active

06967537

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.

REFERENCES:
patent: 5438219 (1995-08-01), Kotzan et al.
patent: 6587008 (2003-07-01), Hatanaka et al.
patent: 2002/0084858 (2002-07-01), Luff
patent: 2004/0036547 (2004-02-01), Harima
patent: 2003179433 (2003-06-01), None
patent: 2004153468 (2004-05-01), None

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