Heat sink assembly

Details Heat sink assembly Heat sink assembly

1999-10-20

2000-09-19

Picard, Leo P.

Electricity: electrical systems and devices

Housing or mounting assemblies with diverse electrical...

For electronic systems and devices

361687, 361695, 361702, 361710, 361802, 361816, 257723, 16510933, 165121, 454184, H05K 720

Patent

active

061221694

ABSTRACT:
A heat sink assembly of the present invention comprises a conductive housing with a heat pipe and a fan fixed therein, and fixing devices. The conductive housing is formed by die-casting and comprises a base, a heat sink portion and a shielding portion which depend downwardly from the square base. The base defines a thorough channel to fix the heat pipe for dissipating heat produced by an electronic element mounted in the shielding portion, two legs of the channel being communication with the space formed by the shielding portion and the heat sink portion respectively. The shielding portion is integral with the heat sink portion and defines a peripheral side wall to form a sealed square-shaped space together with the base to provide EMI shielding for the electronic element. A hole is defined in each of the four corners of the peripheral side wall of the shielding portion to engage with the fixing devices.

REFERENCES:
patent: 5880930 (1999-03-01), Wheaton
patent: 5917699 (1999-06-01), Hung et al.
patent: 5926370 (1999-09-01), Cromwell
patent: 5959837 (1999-09-01), Yu

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