Electrolytic Copper Foil, Electric Component and Battery Including the Same

摘要

Disclosed herein is an electrolytic copper foil in which an average diameter of a pore which is a region between surface elements protruding from a matte side is 1 mm to 100 nm. The electrolytic copper foil has high elongation while maintaining low roughness and high strength and thus may be used in a current collector of a medium-large size lithium ion secondary battery and a semiconductor packaging substrate, and the like, for tape automated bonding (TAB) which is used in a tape carrier package (TCP).

主权项

1. An electrolytic copper foil, wherein
an average diameter of a pore which is a region between surface elements protruding from the matte side of copper ranges from 1 nm to 100 nm.