Patent ID: 7814965
Filing Date: 2010-10-19
Classification: H01L,H05K

Abstract:
1. A heat sink, comprising: a housing defining a first chamber and a second chamber separated from one another by an interface therebetween, the interface being below the first chamber; the first chamber having at least one side wall defining first side ports; the housing having an opening along a top thereof for access to the first chamber and to the interface therebelow; pins extending from a top surface of the interface into an interior region of the first chamber and toward the opening; the top surface of the interface having dimples located between the pins; the interface having first passageways extending from the dimples of the top surface of the interface to a bottom surface of the interface; the second chamber having a network of tunnels, ends of tunnels of the network of tunnels extending to the at least one sidewall of the housing for providing second side ports; the first passageways of the interface extending from the top surface of the interface to the network of tunnels; the bottom surface of the interface forming a portion of the network of tunnels; and the first passageways providing access between the first chamber and the second chamber.