Heat radiating fin and heat radiating method using the same

H - Electricity – 05 – K

Patent

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Details

H05K 7/20 (2006.01) F25D 1/00 (2006.01) F28F 3/02 (2006.01) F28F 3/04 (2006.01) F28F 13/18 (2006.01) F28F 21/08 (2006.01) H01L 23/36 (2006.01)

Patent

CA 2441347

It is an object of the present invention to provide an inexpensive heat radiating fin having a high cooling effect. A coating metal layer consisting of a metallic material with ionization tendency larger than that of silver is stacked on a surface of a heat radiating fin main body by plating or the like to form the heat radiating fin such that the coating metal layer has a layer thickness which increases a difference between a heat capacity of the coating metal layer and a heat capacity of the air, and facilitates chemical adsorption of molecules in the air. The heat radiating fin radiates heat while being brought into contact with the air serving as a cooling fluid.

L'invention concerne un procédé de rayonnement utilisant des ailettes de radiateur, caractérisé en ce qu'on effectue, par placage, l'empilage d'une couche métallique revêtue (3) en un matériau métallique, ayant une tendance à l'ionisation plus grande que celle de l'argent sur la surface d'un corps d'ailette de radiateur (2), et en ce qu'on fait rayonner la chaleur à partir de la couche revêtue (3) en laissant l'air, utilisé comme fluide de refroidissement, venir en contact entre les ailettes.

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