Sheet having antistatic function and manufacturing method therefor

A sheet enhanced in antistatic function has, on a substrate:two layers of thin tin-doped indium oxide films to which tin is doped in different amounts;two layers of thin antimony-doped tin oxide films to which antimony is doped in different amounts; ortwo layers of thin aluminium-doped zinc oxide films to which aluminium is doped in different amounts wherein tin, antimony or aluminium is doped in a larger amount in an upper (surface) layer of said thin tin-doped indium oxide films, said thin antimony-doped tin oxide films or said thin aluminium-doped zinc oxide films than in a lower layer.