ACG Cooler International Limited

Skived fin skive fin heat sink

The machining process for skived fin heatsinks uses cutting tools and a controlled slicing technique to manufacture heatsinks from a solid block of aluminum or copper. This process can be used to create heatsinks with thinner blades than are possible with extruded heatsinks. However due to the thin fins of this type of heatsink, greater care must be taken when handling them.

Advantage of Skived Fin Heat Sinks:

· High aspect ratio

· Thin fin

· Low tooling cost

· Easy and inexpensive to prototype

· Ideal thermal connectivity with the heat sink base

· Unidirectional flow

· Single piece construction

Design Guidelines

· Airflow lengths limited by cutter

· Fin densities 50+ fins per inch

· Fin thickness from .008"

· Aluminum is best material

· High aspect ratios (aluminum)

· Copper is limited in height and pitch, because of the manufacturing process

· No filler material

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