Patent ID: 6608751
Filing Date: 2003-08-19
Classification: F28D,G06F,H01L,H05K

Abstract:
An electronic device comprising:an electronic component, the electronic component being a heat-generator; an electrical board on which the electronic component is mounted; a cooling unit comprising a base having a first face that is thermally connected to the electronic component and having an internal hollow part filled with a refrigerant, and a heat-radiator that is thermally connected to the base and that has a space part that is linked to the hollow part, wherein the heat-radiator is positioned above the base on a side of the base near the electronic component, and the refrigerant, which vaporizes in the hollow part, circulates through the heat-radiator and condenses to form a liquid; and a casing having a bottom face and a top face and accommodating the electronic component, the electrical board, and the cooling unit, wherein the base is positioned in the bottom of the casing, the heat-generator is positioned on the base, and the electrical board is positioned on the heat-generator, in order, and wherein a height of the heat-radiator is greater than a distance from the bottom face of the casing to a top of the electronic component.