| abstract |
Electromagnetic wave shielding metal foil, electromagnetic shielding material and the shielded cable that corrosion resistance is good, inexpensive are provided.[project] is formed with Sn-Ni alloy-layers 2 in a face of the base material formed by metal foil 1 or two sides, it is formed with oxide 3 on the surface of the Sn-Ni alloy-layers, Sn-Ni alloy-layers contain 20-80 mass %Sn, thickness is 30-500nm, depth away from most surface is set as Xnm, depth direction analysis is carried out by XPS, the atomic concentration (%) of Sn is set as A Sn (X), the atomic concentration (%) of Ni is set as A Ni (X), the atomic concentration (%) of oxygen is set as A o (X) and A o (X)=0 X when is set as X o When, 30nm≤X o ≤ 0.5nm, and section [0, X o ] 0.4≤∫ of middle satisfaction A Ni (X)d X /∫A Sn (X)d X ≧0.05。 |