Active solid-state devices (e.g. – transistors – solid-state diode – Housing or package – Insulating material
Reexamination Certificate
2006-01-10
2006-01-10
Clark, Jasmine (Department: 2815)
Active solid-state devices (e.g., transistors, solid-state diode
Housing or package
Insulating material
C257S675000, C257S707000, C257S712000, C257S717000, C257S720000, C257S722000, C257S724000
Reexamination Certificate
active
06984887
ABSTRACT:
A heatsink arrangement attached to a semiconductor device includes: a first heatsink placed in close contact with the semiconductor device; and second heatsink placed in close contact with the first heatsink, wherein the first heatsink and the second heatsink are connected to a power supply circuit for the semiconductor device via first connector and second connector, respectively. Thus, the present invention provides a heatsink arrangement for a semiconductor device used in an electric/electronic circuit that radiates less high-frequency noise even when a large current flows through the semiconductor device and that provides a high heat-radiating efficiency.
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Hisamoto Sadatoshi
Murayama Kazutaka
Umezu Norio
Clark Jasmine
ONKYO Corporation
Renner , Otto, Boisselle & Sklar, LLP
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