Heat transferring device and method for manufacturing the same

Abstract

The disclosure provides a heat transferring device and a method for manufacturing the heat transferring device. The heat transferring device includes: a flexible heat transfer substrate including a first surface, a second surface, at least one solid portion and at least one characteristic hole portion. The at least one solid portion is formed between the first surface and the second surface. The at least one characteristic hole portion includes several characteristic holes penetrating through the first surface and the second surface. The flexible heat transfer substrate further includes: a first end and a second end, and the second end is corresponding to the first end. The flexible heat transfer substrate is rolled from the first end towards the second end to form the heat transferring device with a predetermined shape.

What is claimed is: 
     
         1 . A heat transferring device, comprising:
 a flexible heat transfer substrate comprising a first surface, a second surface, at least one solid portion and at least one characteristic hole portion, wherein the second surface is corresponding to the first surface, the at least one solid portion is formed between the first surface and the second surface, the at least one characteristic hole portion comprises a plurality of characteristic holes penetrating through the first surface and the second surface; the flexible heat transfer substrate further comprising: a first end and a second end, wherein the second end is corresponding to the first end, the flexible heat transfer substrate is rolled from the first end towards the second end to form the heat transferring device with a predetermined shape.   
     
     
         2 . The heat transferring device according to  claim 1 , wherein the flexible heat transfer substrate further comprises a plurality of spacers disposed on the first surface, a predetermined distance is formed between the spacers, and the spacers are disposed in the at least one solid portion. 
     
     
         3 . The heat transferring device according to  claim 1 , wherein the flexible heat transfer substrate comprises two solid portions and a characteristic hole portion, the characteristic hole portion is disposed between the two solid portions. 
     
     
         4 . The heat transferring device according to  claim 1 , wherein the flexible heat transfer substrate comprises three solid portions and a characteristic hole portion, the characteristic hole portion extends from a center to the first end to separate the three solid portions. 
     
     
         5 . The heat transferring device according to  claim 1 , wherein the flexible heat transfer substrate further comprises a plurality of spacers disposed on the first surface, a predetermined distance is formed between the spacers, and the spacers are disposed in the characteristic hole portion. 
     
     
         6 . The heat transferring device according to  claim 1 , wherein the flexible heat transfer substrate further comprises a notch portion disposed at the second end and a lower edge. 
     
     
         7 . The heat transferring device according to  claim 1 , wherein the flexible heat transfer substrate is a metal, ceramic, composite or polymer material. 
     
     
         8 . A method for manufacturing a heat transferring device, comprising:
 (a) providing a flexible heat transfer substrate comprising a first surface, a second surface, at least one solid portion and at least one characteristic hole portion, wherein the second surface is corresponding to the first surface, the at least one solid portion is formed between the first surface and the second surface, the at least one characteristic hole portion comprises a plurality of characteristic holes penetrating through the first surface and the second surface; the flexible heat transfer substrate further comprising: a first end and a second end, wherein the second end is corresponding to the first end;   (b) fixing the first end of the flexible heat transfer substrate onto a rotary shaft of a rolling unit, and fixing the second end of the flexible heat transfer substrate to a moving platform; and   (c) rolling the flexible heat transfer substrate to form the heat transferring device with a predetermined shape.   
     
     
         9 . The method according to  claim 8 , wherein in the step (c) further comprises a shape setting step using a shape setting device, during the rolling process, to get close to the flexible heat transfer substrate so as to form a heat transferring device with the predetermined shape. 
     
     
         10 . The method according to  claim 8 , wherein in the step (c) further comprises a tension controlling step using a tensometer to control tension in the rolling process. 
     
     
         11 . The method according to  claim 8 , wherein in the step (c) further comprises a connecting step in the rolling process or after the rolling process, using a high-temperature furnace melting, spark plasma, resistance welding or laser welding method to connect the flexible heat transfer substrate to form the heat transferring device with the predetermined shape. 
     
     
         12 . The method according to  claim 8 , wherein the flexible heat transfer substrate further comprises a plurality of spacers disposed on the first surface, a predetermined distance is formed between the spacers, and the first surface of the rolled flexible heat transfer substrate is spaced from the second surface.