Patent ID: 7064957

Claim:
A heat sink attachment mechanism comprising: a fastener having a head portion and a shaft portion, the head portion configured to generate a stress on a heat sink to secure the heat sink with a circuit board component and the shaft portion having a flange substantially perpendicular to a long axis defined by the shaft portion, the flange configured to abut a surface of a circuit board carrying the circuit board component when the fastener secures the heat sink to the circuit board component; and a compressible member in communication with the shaft portion of the fastener and configured to orient between the head portion and the heat sink, the compressible member having a diameter configured to expand when the head portion compresses the compressible member and generates the stress on the heat sink when the fastener secures the heat sink to the circuit board component; wherein a trough portion is defined by the shaft portion of the fastener, the trough portion extending along the shaft portion about, and substantially perpendicular to, the long axis of the shaft portion, the trough portion configured to secure the compressible member to the fastener.