Heatsink with multiple, selectable fin densities

Details Heatsink with multiple, selectable fin densities Heatsink with multiple, selectable fin densities

2005-01-25

2005-01-25

Flanigan, Allen (Department: 3753)

Heat exchange

With retainer for removable article

Electrical component

C165S185000, C361S704000

Reexamination Certificate

active

06845812

ABSTRACT:
A heat sink (100) for use with a heat generating device, that includes: a base member (110); a fixed set of adjacent heat dissipating surfaces (120) formed in the base member (110) for causing the heat sink (100) to have a predetermined low power dissipation level that is a function of the number of heat dissipating surfaces (120) in the fixed set; and at least one groove (130) formed in the base member (110) between each two adjacent heat dissipating surfaces (120) in the fixed set for enabling an additional heat dissipating surface to be securedly attached to the base member (110) in each groove (130) for enabling the heat sink to have a power dissipation level that is in excess of the predetermined low power dissipation level as a function of the number of additional heat dissipating surfaces attached to the base member (110).

REFERENCES:
patent: 5038858 (1991-08-01), Jordan et al.
patent: 5901039 (1999-05-01), Dehaine et al.
patent: 5937517 (1999-08-01), Smith et al.
patent: 6009937 (2000-01-01), Gonner et al.
patent: 6554060 (2003-04-01), Noda et al.
patent: 789396 (1996-12-01), None

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