Circuit device

Details Circuit device Circuit device

2008-09-25

2010-06-29

Bui, Hung S (Department: 2841)

Electricity: electrical systems and devices

Housing or mounting assemblies with diverse electrical...

For electronic systems and devices

C361S796000

Reexamination Certificate

active

07746658

ABSTRACT:
The present invention provides a circuit device in which warpage of a case member is prevented. The circuit device of the present invention includes: a circuit board having on an upper surface thereof a built-in hybrid integrated circuit constituted by a conductive pattern and a circuit element; a case member including four side wall parts forming a frame-like shape and being in contact with the circuit board so as to form on the upper surface of the circuit board a space in which the circuit element is sealed; and a lead being fixed to a pad composed of the conductive pattern and extending to the outside. The circuit device of the present invention is further provided with a supporting part arranged at a corner of the case member so as to make continuous inner walls of the respective side wall parts with each other.

REFERENCES:
patent: 6239986 (2001-05-01), Otsuka
patent: 6945788 (2005-09-01), Trout et al.
patent: 2007/0241173 (2007-10-01), Turvey et al.
patent: 2007-036014 (2007-02-01), None

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