Staggered radial-fin heat sink device for integrated circuit pac

Details Staggered radial-fin heat sink device for integrated circuit pac Staggered radial-fin heat sink device for integrated circuit pac

1986-06-30

1987-12-29

Davis, Jr., Albert W.

Heat exchange

Heat transmitter

357 81, 174 16HS, F28F 700

Patent

active

047154381

ABSTRACT:
A radial fin heat sink whereby a spreader plate supports a series of radial fins which are staggered around a central open cylindrical area designed to receive a flow of air by impingement. The radial fins comprise a pattern of variable lengths which follow in succession from a major length to a minor length to an intermediate length which pattern repeats around the periphery of the spreader plate.

REFERENCES:
patent: 3180404 (1965-04-01), Nelson et al.
patent: 3220471 (1965-11-01), Coe
patent: 3239003 (1966-03-01), Boudette et al.
patent: 3313339 (1967-04-01), Coe
patent: 3342255 (1967-09-01), Risk et al.
patent: 3592260 (1971-07-01), Berger
patent: 3780356 (1973-12-01), Laing
patent: 4587595 (1986-05-01), Stapler
patent: 4607685 (1986-08-01), Mitchell, Jr.

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