NICKEL-BASED SURFACE TREATMENT FILMS EXCELLENT IN HEAT-RESISTANT ADHESION TO RESIN

摘要

A nickel-based surface treatment film which is excellent in heat-resistant adhesion to a resin and has a two-layered structure formed on a subject material, characterized by containing nickel and phosphorus in the lower layer being in contact with the material and containing nickel, oxygen and phosphorus in the upper layer provided thereon, or containing nickel and boron in the lower layer and containing nickel, oxygen and boron in the upper layer provided thereon, or containing nickel, phosphorus and boron in the lower layer and containing nickel, oxygen, phosphorus and boron in the upper layer provided thereon.