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SUPERCONFORMAL ELECTRODEPOSITION OF NICKEL IRON AND COBALT MAGNETIC ALLOYS
SUPERCONFORMAL ELECTRODEPOSITION OF NICKEL IRON AND COBALT MAGNETIC ALLOYS
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机译:镍铁和钴磁合金的超保形电沉积
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摘要
A process for electrodepositing at least one ferromagnetic material into a three dimensional pattern within a substrate is provided. The process comprises providing a substrate material, dielectric or conductor, having a three dimensional recessed pattern in at least one outer surface thereof, dielectric substrate materials also having an electrical conductive seed layer at least within the three dimensional pattern. An electrolytic bath is prepared comprising at least one ferromagnetic material and at least one accelerating, inhibiting, or depolarizing additive. The at least one ferromagnetic material comprises at least one metal cation selected from the group consisting of Ni2+, Co2+, Fe2+, Fe3+, and combinations thereof. The substrate is placed into the electrolytic bath and the electrolytic bath contacts the conducting three dimensional pattern in the substrate or the conducting seed layer within the pattern on a dielectric substrate. A counter electrode is placed into the electrolytic bath. An electric current is passed through the electrolytic bath between the electrical conductive substrate or seed layer on the three dimensional substrate and the counter electrode. At least a portion of the ferromagnetic material is deposited into at least a portion of the three dimensional pattern wherein the at least one deposited ferromagnetic material is substantially void-free.
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