Set top box having snap-in heat sink and smart card reader with a hold down for retaining the heat sink

摘要

A hold down for an electronic device is provided that includes a bottom frame, a circuit board mounted above the bottom frame, a thermal pad mounted on the circuit board, and a heat sink associated with the thermal pad. The hold down includes a frame that defines a perimeter having a plurality of retainers that are configured to engage with a plurality of mating locations defined on at least a bottom frame to provide a biasing force that retains the heat sink against a circuit board that is positioned between the bottom frame and the hold down.

主权项

1. A hold down for an electronic device that includes a bottom frame, a circuit board mounted above the bottom frame, a thermal pad mounted on the circuit board, and a heat sink associated with the thermal pad, wherein the hold down comprises:
a frame that defines a perimeter having a plurality of retainers that are configured to engage with a plurality of mating locations defined on at least a bottom frame to provide a biasing force against a surface of the heat sink that retains the heat sink against a circuit board that is positioned between the bottom frame and the hold down.