Zipper fin heat sink is an meeting of a base and a fin stack which can be soldered ,brazed or 3 inch steel pipe epoxied collectively.These fins are created utilizing a set of individually stamped fins which are folded into shape with interlocking grooves .Zipper fins will be manufactured from either copper or aluminum and it is possible to mix the completely different supplies within a fin stack. The base might be both aluminum or copper as properly.The finish is either a nickel plate or a chromate, either of which is able to improve the thermal performance and provide environmental protection.

Zipper fin heat sink have good thermal efficiency on account of it allows with excessive fin desities and fin facet ratios .