Patent ID: 7330352
Filing Date: 2008-02-12
Classification: H01L

Abstract:
1. A heat sink comprising: a plurality of heat radiating portions, having heat receiving surfaces, respectively which are brought into contact with different to-be-radiated members, respectively, to cool the different to-be-radiated members; and a heat resistor portion formed between adjacent two of the heat radiating portions, the heat resistor portion being provided to increase a heat resistance between the adjacent two of the heat radiating portions; wherein the heat radiating portions include a first radiating portion and a second radiating portion, a center portion of the first radiating portion provided with a heat radiating pin, an outer circumference of the first radiating portion provided with a heat radiating fin which acts as a baffle plate to prevent warm air from the first heat radiating portion from being guided to the second heat radiating portion.