Fixing apparatus for mounting a heat sink to a printed...

Electricity: electrical systems and devices – Housing or mounting assemblies with diverse electrical... – For electronic systems and devices

Reexamination Certificate

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Reexamination Certificate

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07068513

ABSTRACT:
A fixing apparatus includes a retention module (10) and a back plate (30). The retention module is attached on a printed circuit board (20), which defines a plurality of through apertures (22). The retention module comprises a plurality of posts (12) depending therefrom. Each post is hollow and aligned with a corresponding through aperture. The back plate is attached on a bottom surface of the printed circuit board, for reinforcing the printed circuit board. The back plate comprises a plurality of upwardly extending poles (32). The poles extend through the through apertures and lock inside of the posts to secure the retention module and the back plate on opposites sides of the printed circuit board.

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patent: 6885557 (2005-04-01), Unrein
patent: 2004/0017662 (2004-01-01), Liu
patent: 2005/0111190 (2005-05-01), Wang et al.

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