WIRING BOARD AND METHOD FOR PRODUCING WIRING BOARD

A wiring board includes a substrate having main surfaces and an electrode containing Cu or Ag as a main component on at least one main surface of the substrate, wherein the electrode protrudes from the substrate, a surface of the electrode is covered by a first Ni film containing crystalline Ni as a...

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Bibliographische Detailangaben
Hauptverfasser:	SAITO, Junichi, MIZUSHIRO, Masaaki
Format:	Patent
Sprache:	eng
Schlagworte:	CHEMICAL SURFACE TREATMENT CHEMISTRY COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATIONOR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY IONIMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL COATING MATERIAL WITH METALLIC MATERIAL COATING METALLIC MATERIAL DIFFUSION TREATMENT OF METALLIC MATERIAL INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION INGENERAL METALLURGY SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THESURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION
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Beschreibung
Zusammenfassung:	A wiring board includes a substrate having main surfaces and an electrode containing Cu or Ag as a main component on at least one main surface of the substrate, wherein the electrode protrudes from the substrate, a surface of the electrode is covered by a first Ni film containing crystalline Ni as a main component, a surface of the first Ni film is covered by a second Ni film containing amorphous Ni as a main component, and the first Ni film covers a part of a first corner where a side surface of the electrode is in contact with the substrate.