COPPER OR COPPER ALLOY STRIP WITH SURFACE COATING LAYER

A copper or copper alloy sheet strip with a surface coating layer according to an embodiment of the present invention includes: a copper or copper alloy sheet strip as a base metal; and an underlayer and a Cu-Sn alloy layer provided as the surface coating layer on a surface of the base metal in this...

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Bibliographische Detailangaben
Hauptverfasser:	UEDA, Yutaro, SAKAMOTO, Hiroshi, TSURU, Masahiro
Format:	Patent
Sprache:	eng ; fre ; ger
Schlagworte:	APPARATUS THEREFOR BASIC ELECTRIC ELEMENTS CHEMISTRY CURRENT COLLECTORS ELECTRICITY ELECTROFORMING ELECTROLYTIC OR ELECTROPHORETIC PROCESSES LINE CONNECTORS METALLURGY PROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTIONOF COATINGS
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Beschreibung
Zusammenfassung:	A copper or copper alloy sheet strip with a surface coating layer according to an embodiment of the present invention includes: a copper or copper alloy sheet strip as a base metal; and an underlayer and a Cu-Sn alloy layer provided as the surface coating layer on a surface of the base metal in this order, the underlayer including any one or two layers of a Ni layer, a Co layer, and a Fe layer, wherein a surface of the Cu-Sn alloy layer has an arithmetic mean roughness Ra of 0.3 to 3.4 µm, and a maximum height Rz of 2.2 to 14.4 µm.