| 摘要 |
A heat sink 200 (shown with top wall removed) comprises a cooling block having a plurality of fins 110 extending through the block to provide a series of coolant channels 112. The channels having a 'venturi narrowing', which increases the flow rate of the coolant. Preferably the channels have coolant entry regions 115, 120 in at least two different regions of the block and separate coolant exit regions 125, 135. A partition 245 may be provided to separate the cooling channels into two sets, through which the coolant flow may be in opposite directions. Also described is a method of cooling a device, such as a processor of a mobile computer used in a vehicle, by placing at least one of said heat sinks adjacent to the device to be cooled, preferably with the region in which the channels are narrowest 270 adjacent the hottest part of the device to be cooled. |
