ELECTROLESS PLATING METHOD AND WIRING BOARD

PROBLEM TO BE SOLVED: To provide an electroless plating method capable of forming high density copper wiring without using a resin pattern mask.SOLUTION: An electroless plating method of the embodiment includes: a UV irradiation step of irradiating a partial region of a resin substrate 10 of cyclool...

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Bibliographische Detailangaben
Hauptverfasser:	HONMA HIDEO, SHINJO SAYAKA
Format:	Patent
Sprache:	eng
Schlagworte:	CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS 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 ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR ELECTRICITY INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION INGENERAL MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS METALLURGY PRINTED CIRCUITS SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THESURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION
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Beschreibung
Zusammenfassung:	PROBLEM TO BE SOLVED: To provide an electroless plating method capable of forming high density copper wiring without using a resin pattern mask.SOLUTION: An electroless plating method of the embodiment includes: a UV irradiation step of irradiating a partial region of a resin substrate 10 of cycloolefin polymer with an ultraviolet light; a catalyst application step of applying a catalyst of an electroless plating reaction to a surface of the resin substrate; and a plating step of selectively forming a wiring pattern of a copper plating film in the ultraviolet light irradiation region by using an electroless copper plating bath. In the electroless copper plating bath, 2-mercapto benzotriazole is included as an inhibitor, and a pattern size of the copper plating film is less than a size of the ultraviolet light irradiation region.