Heatsink assembly and method of manufacturing the same

Details Heatsink assembly and method of manufacturing the same Heatsink assembly and method of manufacturing the same

H - Electricity

05

K

H05K 7/20 (2006.01) H01L 21/48 (2006.01) H01L 23/36 (2006.01) H01L 23/367 (2006.01) H01L 23/467 (2006.01)

Patent

CA 2448488

A heat removal system includes a heatsink assembly having a base and a plurality of heat conducting folded fin members projecting from a first surface of the base and arranged to leave an open space on the first surface of the base. At least one thermally conductive slug projects from the center of the folded fin members and the folded fin members are thermally coupled to the slug. A gas circulating system is disposed over the slug and fin members projecting from the first surface of the base. The sidewall of a fin may be provided with at least one aperture. The top surface of the fin is closed, thereby permitting the fin to operate as a plenum of sorts. The bottom of the troughs may also be closed. The fins/troughs act as a plenum. A method of producing the folded fin heatsink member is also described.

L'invention concerne un système d'évacuation de la chaleur comprenant un ensemble radiateur pourvu d'une base et d'une pluralité d'ailettes pliées thermoconductrices sailllantes sur une première surface de la base et placées de manière à laisser un espace ouvert sur la première surface de la base. Au moins un tronçon thermoconducteur se détache du centre des ailettes pliées, et celles-ci sont thermiquement couplées au tronçon. Un système de circulation du gaz est situé sur le tronçon et les ailettes saillantes de la première surface de la base. La paroi latérale d'une ailette peut comprendre au moins une ouverture. La surface supérieure de l'ailette est fermée, permettant ainsi à l'ailette de servir de chambre de distribution. La partie inférieure des creux peut également être fermée. Les ailettes/creux servent de chambre de distribution. L'invention concerne également un procédé de fabrication du radiateur à ailettes pliées.

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