Thin heat pipe structure and manufacturing method thereof

Abstract

A thin heat pipe structure and a manufacturing method thereof. The thin heat pipe structure includes a tubular body and a support body. The tubular body has at least one receiving space in which a working fluid is contained. The support body is disposed in the receiving space to partition the receiving space into a first chamber and a second chamber. By means of the manufacturing method of the thin heat pipe structure, the thin heat pipe structure can be made with greatly enhanced heat transfer efficiency. In addition, in the manufacturing process, the ratio of good products is increased to lower the manufacturing cost.

1 . A thin heat pipe structure comprising:
 a tubular body having at least one receiving space and a first closed end and a second closed end in communication with the receiving space, a working fluid being contained in the receiving space; and   a support body disposed in the receiving space to partition the receiving space into a first chamber and a second chamber, the first and second chambers axially extending through the tubular body.   
     
     
         2 . The thin heat pipe structure as claimed in  claim 1 , further comprising a first capillary structure disposed in the receiving space and attached to the support body, the first capillary structure together with the support body partitioning the receiving space into the first and second chambers. 
     
     
         3 . The thin heat pipe structure as claimed in  claim 1 , wherein the tubular body has a flat form. 
     
     
         4 . The thin heat pipe structure as claimed in  claim 2 , wherein the first capillary structure is selected from a group consisting of sintered powder body, mesh body, fiber body and foam body. 
     
     
         5 . The thin heat pipe structure as claimed in  claim 1 , wherein a second capillary structure is disposed on inner wall face of the tubular body, the second capillary structure being selected from a group consisting of sintered powder body and a structure with multiple channels. 
     
     
         6 . The thin heat pipe structure as claimed in  claim 1 , further comprising a first capillary structure disposed in the receiving space to enclose the support body. 
     
     
         7 . The thin heat pipe structure as claimed in  claim 1 , wherein the support body is selected from a group consisting of mesh body, board material having recessed/raised sections on its surface and waved board body. 
     
     
         8 . The thin heat pipe structure as claimed in  claim 6 , wherein the first capillary structure is attached to one side of the support body, the thin heat pipe structure further comprising a third capillary structure disposed in the receiving space and attached to the other side of the support body opposite to the first capillary structure, the third capillary structure being selected from a group consisting of sintered powder body, mesh body, fiber body and foam body. 
     
     
         9 . A manufacturing method of a thin heat pipe structure, comprising steps of:
 preparing a tubular body and a support body;   placing the support body into the tubular body;   pressing the tubular body into a flat form;   vacuuming the tubular body and filling a working fluid into the tubular body; and   sealing the tubular body.   
     
     
         10 . The manufacturing method of the thin heat pipe structure as claimed in  claim 9 , further comprising a step of preparing a first capillary structure and fixedly attaching the first capillary structure to the support body before the step of placing the support body into the tubular body. 
     
     
         11 . The manufacturing method of the thin heat pipe structure as claimed in  claim 9 , further comprising a step of forming a second capillary structure in the tubular body after the step of preparing a tubular body and a support body. 
     
     
         12 . The manufacturing method of the thin heat pipe structure as claimed in  claim 11 , wherein the second capillary structure is selected from a group consisting of sintered powder body and a structure with multiple channels. 
     
     
         13 . The manufacturing method of the thin heat pipe structure as claimed in  claim 10 , wherein the first capillary structure is fixedly attached to the support body by means of a measure selected from a group consisting of spot welding, diffusion bonding and ultrasonic welding. 
     
     
         14 . The manufacturing method of the thin heat pipe structure as claimed in  claim 9 , wherein in the step of pressing the tubular body into a flat form, the tubular body is flattened by means of pressing. 
     
     
         15 . The manufacturing method of the thin heat pipe structure as claimed in  claim 9 , further comprising a step of bending the tubular body after the step of placing the support body into the tubular body. 
     
     
         16 . The manufacturing method of the thin heat pipe structure as claimed in  claim 9 , wherein the support body is selected from a group consisting of mesh body, board material having recessed/raised sections on its surface and waved board body.