US Patent 11988468 Heat sink and housing assembly

A heat sink includes a heat sink body having a plurality of stacked fins and a mounting base. The mounting base has a first heat dissipation plate and a second heat dissipation plate. A first surface of the first heat dissipation plate is connected to a bottom of the heat sink body. The second heat dissipation plate is mounted on a second surface of the first heat dissipation plate opposite to the first surface.