Heat sink and the producing method thereof

Details Heat sink and the producing method thereof Heat sink and the producing method thereof

1993-06-07

1995-01-17

Rivell, John

Heat exchange

With retainer for removable article

Electrical component

165185, 174 163, 257721, 257722, 361692, 361703, F28F 700

Patent

active

053818598

ABSTRACT:
A heat sink according to the invention comprises a multilayered body prepared by laying one upon the other a plurality of heat sink fin elements having pin-fin sections formed by cutting a number of slits through thin plates of a thermally conductive material with spacers, each being inserted between two adjacent heat sink fin elements to separate them by a given distance. The method of preparing a heat sink comprises steps of preparing heat sink fin elements by forming a number of slits and a surrounding marginal frame area in each of a first set of thermally conductive thin plates, preparing spacers by cutting out a central area of and forming a surrounding marginal frame area in each of a second set of thermally conductive thin plates having a shape same as that of the first set of thin plates, laying said heat sink fin elements and said spacers alternately one upon the other and bonding said assembled heat sink fin elements and spacers together at the outer surface or contacted areas to form a multilayered body.

REFERENCES:
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patent: 2775431 (1956-12-01), Krassowski
patent: 2947152 (1960-08-01), Bloem
patent: 3411041 (1968-11-01), Block
patent: 3477504 (1969-11-01), Colyer et al.
patent: 3534813 (1970-10-01), Fleming
patent: 4143710 (1979-03-01), La Porte et al.
patent: 4147210 (1979-04-01), Pronko et al.
patent: 4762172 (1988-08-01), Grehier et al.
patent: 4860822 (1989-08-01), Sacks
patent: 4868712 (1989-09-01), Woodman
patent: 5058665 (1991-10-01), Harada
patent: 5180001 (1993-01-01), Okada et al.

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