Patent ID: 6179046
Filing Date: 2001-01-30
Classification: H01L

Abstract:
A heat dissipation device with optimal fin arrangement comprising:a base plate having an upper surface, a first axis, a second axis, and a circular central portion defining a circumference;a plurality of first fins emanating from the upper surface, the first fins being radially arranged around the circumference, wherein a number of the first fins extending substantially in the direction of the first axis terminate before the edge of the base plate, these number of first fins defining directional vectors;a plurality of second fins emanating from the upper surface of the plate, wherein the second fins are separated from the number of first fins by a first gap, and are formed substantially parallel to and on either side of the directional vectors; anda plurality of third fins emanating from the upper surface of the plate, wherein each of the third fins are formed between two adjacent second fins and substantially on the directional vectors, and are separated from the first fins by a second gap larger than the first gap.