Heat sink
First Claim
1. A cold forged aluminum heat sink including a base portion, said base portion includes a first surface for thermally coupling said heat sink with an electronic device, and a second surface on which a first and a second group of heat dissipating members are integrally formed and extend upwardly therefrom;
- said first group of heat dissipation members includes a plurality of fin-shaped members each having main heat dissipation surfaces surrounded by thin peripheral edges including a top edge, an inside edge and an outside edge, said thin peripheral top edges generally extend from the interior of said base portion towards the outside periphery of said base portion, said main heat dissipation surfaces on adjacent heat dissipation members are substantially opposing to each other, and said second group of heat dissipation members are disposed between said first group of heat dissipation members and the center of said base portion.
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Accused Products
Abstract
A heat sink including a first and a second group of heat dissipating members integrally formed and extending upwardly from a base portion. The first group of heat dissipation members includes a plurality of fin-shaped members each having main heat dissipation surfaces surrounded by thin peripheral edges including a top edge, an inside edge and an outside edge. The thin peripheral top edges generally extend from the interior of the base portion towards the outside periphery of the base portion. The main heat dissipation surfaces on adjacent heat dissipation members are substantially opposing to each other, and the second group of heat dissipation members is disposed between the first group of heat dissipation members and the center of the base portion.
43 Citations
12 Claims
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1. A cold forged aluminum heat sink including a base portion, said base portion includes a first surface for thermally coupling said heat sink with an electronic device, and a second surface on which a first and a second group of heat dissipating members are integrally formed and extend upwardly therefrom;
- said first group of heat dissipation members includes a plurality of fin-shaped members each having main heat dissipation surfaces surrounded by thin peripheral edges including a top edge, an inside edge and an outside edge, said thin peripheral top edges generally extend from the interior of said base portion towards the outside periphery of said base portion, said main heat dissipation surfaces on adjacent heat dissipation members are substantially opposing to each other, and said second group of heat dissipation members are disposed between said first group of heat dissipation members and the center of said base portion.
- View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 12)
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11. A cold forged aluminum heat sink including a base portion, said base portion includes a neck portion and a shoulder portion, said shoulder portion abuts said neck portion and has a substantially larger cross-sectional area than said base portion wherein a plurality of heat dissipating heat members are integrally formed along the periphery of said shoulder portion so that said fin members are substantially overhanging said shoulder portion with space separating the adjacent fin members defining a plurality of cooling-air channels, said neck portion being of higher density than the shoulder portion.
Specification