Patent ID: 7372697
Filing Date: 2008-05-13
Classification: F28D,F28F,G06F,H01L

Abstract:
1. A cooling device comprising: a heat transfer unit including a passage, through which a coolant circulates in a first direction, a heat-receiving section thermally connected to a heating element, and a heat-sinking section for dissipating heat received by the heat-receiving section, wherein the heat transfer unit comprises a first plate member, in which a groove corresponding to the passage is formed, a plurality of protrusions formed over a sidewall of the groove and each of the plurality of protrusions inclined so as to form an obtuse angle between the sidewall and a surface of the protrusions in contact with the coolant flowing the first direction, and a second plate member, which covers the groove, and the heat-receiving section is formed on one of the first and second plate members.