Interfitting heat sink and heat spreader slug

Details Interfitting heat sink and heat spreader slug Interfitting heat sink and heat spreader slug

1998-03-31

1999-10-19

Thompson, Gregory

Electricity: electrical systems and devices

Housing or mounting assemblies with diverse electrical...

For electronic systems and devices

165 803, 165185, 257718, 257707, 361710, H05K 720

Patent

active

059699493

ABSTRACT:
A heat transmitting slug is attached to a chip or other heat emitting electronic component by an adhesive. A heat sink is mounted on the slug by one or more screws or other fasteners, preferably with thermal grease between the bottom of the heat sink base and the top of the slug. The top of the slug is formed with a longitudinal tongue and the base of the heat sink with a mating groove. Preferably the base of the heat sink is offset upwardly above the groove to resist tendency to fracture under stress.

REFERENCES:
patent: 3836825 (1974-09-01), Hall et al.
patent: 4004195 (1977-01-01), Harayda et al.
patent: 5055909 (1991-10-01), Robbyn
patent: 5594623 (1997-01-01), Schwegler
patent: 5615735 (1997-04-01), Yoshida et al.
patent: 5734555 (1998-03-01), McMahon
patent: 5742478 (1998-04-01), Wu
patent: 5856911 (1999-01-01), Riley

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