| 摘要 |
A sectional modular heat sink is formed from a plurality of stacked modular heat radiating units, each of which is provided on one side along at least one longitudinal edge with a pair of arm portions, each of which being vertically extended or upward and outward inclined; and on an opposite side with a U-shaped or a V-shaped channel corresponding to the pair of arm portions. A horizontally extended flange is provided along a free edge of each arm portion, and a horizontally extended groove is provided along each of two innermost edges of the channel corresponding to the flanges on the arm portions. When two modular heat radiating units are stacked, the arm portions and the flanges on a first modular heat radiating unit respectively engage with the channel and the grooves on a second modular heat radiating unit to firmly connect the two units to one another.
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