Patent ID: 9689623
Date: 2017-06-27
CPC Classifications: F28D,F28F,H01L

Claim:
1. Composite structures of a flat heat pipe, comprising: a tube having a metal shell and a chamber surrounded by the metal shell; a sealed section formed by rolling the metal shell and making two opposite inner walls of the tube combined closely on the tube, the sealed section separating the chamber into a first chamber and a second chamber; an insulation section located in one side of the sealed section of the tube, wherein the insulation section is a hollow chamber including the first chamber, wherein the insulation section is evacuated to enhance an effect of insulation; and a heat conduction section located in another side of the sealed section of the tube, the heat conduction section including the second chamber, a capillary structure disposed only in an inner wall of the second chamber and a working fluid filled only in the second chamber.