Surface-treated copper foil having grayed surface, process for producing the same and electromagnetic wave shielding conductive mesh for front panel of plasma display wherein use is made of the surface-treated copper foil

To provide a surface-treated copper foil having excellent gray color and workable in a regular copper etching process, and a conductive mesh for PDP manufactured by the surface-treated copper foil. In the surface-treated copper foil having a grayish-treated surface on one side, a cobalt sulfide plat...

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Bibliographische Detailangaben
1. Verfasser:	HIGUCHI, TSUTOMU
Format:	Patent
Sprache:	eng
Schlagworte:	APPARATUS THEREFOR 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 ELECTROFORMING ELECTROLYTIC OR ELECTROPHORETIC PROCESSES INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION INGENERAL LAYERED PRODUCTS LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT ORNON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS METALLURGY PERFORMING OPERATIONS PRINTED CIRCUITS PROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTIONOF COATINGS SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THESURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION TRANSPORTING
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Beschreibung
Zusammenfassung:	To provide a surface-treated copper foil having excellent gray color and workable in a regular copper etching process, and a conductive mesh for PDP manufactured by the surface-treated copper foil. In the surface-treated copper foil having a grayish-treated surface on one side, a cobalt sulfide plated layer is provided on a coarse surface of a copper foil layer, and a surface-treated copper foil or the like having the grayish-treated surface having a rustproof layer is employed. The surface-treated copper foil is manufactured by performing electrolysis at the predetermined current density by using cobalt plating liquid containing cobalt sulfide (7-hydrate) to form the rustproof layer on the coarse surface of an electrolytic copper foil or the like, and a method for water-rinsing and drying the rustproof layer is employed.