Heat spreader system and method for cooling heat generating...

H - Electricity – 05 – K

Patent

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Details

H05K 7/20 (2006.01) H01L 23/427 (2006.01) H01L 25/10 (2006.01)

Patent

CA 2255060

An atomizer (50) for atomizing a liquid coolant (40), is positioned inside a sealed housing (20). The atomized liquid coolant (40) is distributed as a thin film over the surface of the heat generating components (30) and the wall of the sealed housing (20). Heat is transferred from the surface of the heat generating components (30) by vaporization of at least a portion of the thin film liquid coolant (40). The coolant vapor condenses on the housing (20) and other cool surfaces and returns to the liquid state. The system heat is then removed from the outer surfaces of the housing (20) using conventional heat transfer mechanisms (22).

Un atomiseur (50) servant à pulvériser un liquide de refroidissement (40) est installé à l'intérieur d'un boîtier hermétique (20). Le liquide de refroidissement (40) est réparti en une couche mince sur la surface des composants thermogènes (30) et sur les parois du boîtier hermétique(20). La chaleur présente à la surface des composants thermogènes (30) se diffuse par vaporisation d'au moins une partie de la couche mince de liquide de refroidissement (40). La vapeur du produit refroidisseur se condense sur le boîtier (20) et autres surfaces réfrigérées avant de retourner à l'état liquide. La chaleur produite par le système s'évacue ainsi des surfaces extérieures du boîtier (20) utilisant des dispositifs classiques de diffusion de la chaleur (22).

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