Before revision: Copper foil|alt=copper foil A copper foil refers to a thin sheet of copper metal that is widely used in various applications due to its excellent electrical conductivity, malleability, and corrosion resistance.
After revision: Copper foil|alt=copper foil Copper foil is a thin sheet of copper metal that is widely used in various applications due to its excellent electrical conductivity, malleability, and corrosion resistance.