Copper heat sink fins
Copper heat sink fins mainly include four varieties: copper pin fin, copper skived fin, copper zipper fin, and copper folded fin. they are wildly used in thermal products.
Copper pin fin:
this kind of fin is made by cold forging, the shape is customized, it's often made as round fin.
Copper skived fin:
Skived fin is made by special machine and it's cut from a copper block.
Copper Zipper fin:
Copper zipper fin is stamped from a stamping machine with specified tooling.