Patent ID: 7637982
Filing Date: 2009-12-29
Classification: B22F,F28D

Abstract:
1. A method of manufacturing a wick structure for a heat pipe comprising steps of: providing a group of powders comprising a kind of main powders and a kind of supplemental powders having a melting point lower than that of the main powders, the main powders and the supplemental powders being thoroughly mixed; filling the group of powders into a casing of the heat pipe; and sintering the powders at a temperature no higher than the melting temperature of the supplemental powders; wherein the supplemental powders are nano-particles; and wherein the nano-particles are made of one of the following materials: copper, gold, aluminum, zinc, tin, nickel, and silver and the main powders are made of a material the same as that for making the supplemental powders.