| 摘要 |
A CPU heat sink mounted on a CPU an carrying a fan above the CPU, the CPU heat sink having a flat base mounted on the CPU, the flat base having a thicker middle section disposed in contact with the CPU, and two thinner lateral sections bilaterally extended from the thicker middle section and spaced above the CPU, a plurality of upright fins longitudinally raised from the flat base, a plurality of ventilation grooves transversely cut through the upright fins for guiding currents of air from the fan through the upright fins, and, a plurality of ventilation slots transversely cut through the upright fins and the thinner lateral sections of the flat base for guiding currents of air from the fan toward the CPU.
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