JX Nippon Mining & Metals Develops 4 Micron Thick of Rolled Copper Foil

JX Nippon Mining & Metals Corporation developed 4 micron thick of rolled copper foil, the thinnest level. 6 micron thick of foil has come into request from last year, because copper foil, which is used to electrical power collector for lithium-ion battery, is made thinner. The firm thinks to make the quality of 6 micron thick of foil dependable consolidating manufacturing technology for thinner foil.