| CPC F28D 15/0275 (2013.01) | 5 Claims |

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1. A thermal module structure, comprising:
an aluminum base having at least one heat pipe receiving groove formed on one side thereof;
a heat dissipation unit including at least one radiation fin assembly formed of a plurality of radiation fins fastened to one another; the radiation fin assembly having a first heat pipe receiving section formed on one side thereof; and the heat dissipation unit and the aluminum base being horizontally parallelly arranged;
a copper embedding layer being provided on a surface of the heat pipe receiving groove, wherein the copper embedding layer includes a deepening surface and a connecting surface formed at two opposite sides of the copper embedding layer; the deepening surface gripping and penetrating into surfaces of the heat pipe receiving groove and the first heat pipe receiving section; and the connecting surface being an exposed surface of the copper embedding layer for connecting with a weld layer; and
a plurality of heat pipes made of a copper material and respectively having an end being a heat absorption section fitted in the heat pipe receiving groove and another horizontally extended end being a remote condensation section connected to the first heat pipe receiving section of the heat dissipation unit; and
wherein the aluminum base and the heat dissipation unit can be directly welded to the heat pipes via the copper embedding layer.
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