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Gang saw cut fins heat sink is the most cost effective heat sink for prototyping stage with low required quantity. Machining from a block of raw material, gang saw cut fin heat sinks can be made from both copper and aluminum, depending on customer's thermal requirement.
Gang saw cut fins heat sink also conveys the benefit of reducing the cost and lead-time. Compare to extruded fin heat sinks, gang saw cut fins heat sink eliminate the cost for extrusion die and are faster fabricated. This makes the gang saw cut fins heat sink an attractive fin manufacturing process for prototypes.