Patent ID: 8295046
Filing Date: 2012-10-23
Classification: H01L

Abstract:
1. A heat sink comprising: a blower disposed in the heat sink; and a plurality of fins extending from a periphery of the blower toward a perimeter of the heat sink, the plurality of fins defining a plurality of channels each having a channel inlet disposed at the blower and a channel exit disposed at the perimeter of the heat sink, the plurality of channels varying in length around the perimeter of the heat sink; wherein a velocity of an air flow from the blower at each channel inlet is substantially equal for each channel of the plurality of channels, and a total pressure drop from the channel inlet to the channel exit is substantially equal for each channel of the plurality of channels, a first channel of the plurality of channels having a first length has a first width along its length different than a second width of a second channel of the plurality of channels having a second length different from the first length, the first width and the second width constant along the first length and the second length.