Fin structure

Abstract

A fin structure includes an inlet fin assembly and an outlet fin assembly. The inlet fin assembly includes a plurality of inlet fins arranged side by side, and a first air channel is formed between two of the plurality of inlet fins that are adjacent to each other. The outlet fin assembly includes a plurality of outlet fins arranged side by side, and a second air channel is formed between two of the plurality of outlet fins that are adjacent to each other. The inlet fin assembly is connected to the outlet fin assembly, and the plurality of first air channels are in fluid communication with the plurality of second air channels. A thermal conductivity of the inlet fin assembly is greater than a thermal conductivity of the outlet fin assembly.

1 .- 9 . (canceled) 
     
     
         10 . A fin structure, comprising:
 a first fin assembly having at least two first fins extending parallel to each other, the first fin assembly forming a first fluid channel; and   a second fin assembly having at least two second fins extending parallel to each other, the second fin assembly forming a second fluid channel,   wherein the first fin assembly is connected to the second fin assembly, and the first fluid channel is in fluid communication with the second fluid channel;   wherein a thermal conductivity of the first fin assembly is different than a thermal conductivity of the second fin assembly, and   wherein the first fluid channel and the second fluid channel are configured to extend sequentially along a longitudinal axis of the fin structure; and wherein the first and second fins are disposed adjacent to opposite ends of the fin structure, respectively.   
     
     
         11 . The fin structure according to  claim 10 , wherein a length of the first fluid channel is different than a length of the second fluid channel. 
     
     
         12 . The fin structure according to  claim 10 , wherein a width of the first fluid channel is different than a width of the second fluid channel. 
     
     
         13 . A fin structure, comprising:
 a first fin assembly configured to promote heat exchange between a heat source and a cooling fluid, the first fin assembly extending along a first direction,   a fluid inlet configured to direct the cooling fluid toward the first fin assembly, and   a fluid outlet configured to receive the cooling fluid from the first fin assembly,   wherein the first fin assembly has different thermal conductivities adjacent to the fluid inlet and the fluid outlet.   
     
     
         14 . The fin structure according to  claim 13 , wherein the first fin assembly comprises a first top plate, a first bottom plate and two first side plates connecting the first top plate and the first bottom plate, the first top plate, the first bottom plate and the two first side plates together form a first fluid channel. 
     
     
         15 . The fin structure according to  claim 13 , wherein the first fin assembly includes a first C-shaped plate extending along the first direction, the first C-shaped plate includes a first top plate, a first bottom plate and a first side plate, the first top plate, the first bottom plate and the first side plate surrounds a first fluid channel. 
     
     
         16 . The fin structure according to  claim 13 , wherein the first direction extends parallel to a longitudinal axis of the fin structure. 
     
     
         17 . The fin structure according to  claim 13 , wherein a thermal conductivity of the first fin assembly adjacent to the fluid inlet is greater than a thermal conductivity of the first fin assembly adjacent to the fluid outlet. 
     
     
         18 . The fin structure according to  claim 13 , wherein the first fin assembly includes at least two first fins extending parallel to each other. 
     
     
         19 . The fin structure according to  claim 13 , further comprising a second fin assembly, wherein the second fin assembly extends parallel to the first fin assembly. 
     
     
         20 . The fin structure according to  claim 19 , wherein a length of the second fin assembly is less than a length of the first fin assembly. 
     
     
         21 . The fin structure according to  claim 19 , wherein a length of the second fin assembly is one third to two third of a length of the first fin assembly. 
     
     
         22 . The fin structure according to  claim 19 , wherein the second fin assembly extends adjacent to the fluid outlet. 
     
     
         23 . The fin structure according to  claim 19 , wherein the second fin assembly comprises a second top plate, a second bottom plate and two second side plates connecting the second top plate and the second bottom plate, the second top plate, the second bottom plate and the two second side plates together form a second fluid channel. 
     
     
         24 . The fin structure according to  claim 19 , wherein the first fin assembly comprises a first top plate, a first bottom plate and two first side plates connecting the first top plate and the first bottom plate, the first top plate, the first bottom plate and the two first side plates together form a first fluid channel, the second fin assembly comprises a second side plate extending between the two first side plates and connecting the first top plate and the first bottom plate, the first top plate, the first bottom plate, one of the first side plates, and the second side plate together form a second fluid channel, the first fluid channel extends parallel to the second fluid channel. 
     
     
         25 . The fin structure according to  claim 24 , wherein a width of the second fluid channel is one half of a width of the first fluid channel. 
     
     
         26 . The fin structure according to  claim 24 , wherein the second side plate is disposed along a center line between the two first side plates. 
     
     
         27 . The fin structure according to  claim 19 , wherein the second fin assembly includes a second C-shaped plate extending along the first direction, the second C-shaped plate includes a second top plate, a second bottom plate and a second side plate, the second top plate, the second bottom plate and the second side plate surrounds a second fluid channel. 
     
     
         28 . The fin structure according to  claim 19 , wherein the first fin assembly adjacent to the fluid inlet includes copper. 
     
     
         29 . The fin structure according to  claim 19 , wherein the first fin assembly adjacent to the fluid outlet includes aluminum.