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|1. (WO2018180507) COPPER OR COPPER-ALLOY SHEET, AND TRAVERSE COIL AND PRODUCTION METHOD THEREFOR|
|Applicants:||JX NIPPON MINING & METALS CORPORATION
|Title:||COPPER OR COPPER-ALLOY SHEET, AND TRAVERSE COIL AND PRODUCTION METHOD THEREFOR|
The present invention provides: a traverse coil of a copper or copper-alloy sheet that is unlikely to produce metallic powder as a result of friction with a tension pad; and a production method therefor. This copper or copper-alloy sheet is characterized by having, on the surface thereof, an oil having a kinetic viscosity of 3-12 mm2/s applied, wherein the amount of said oil is 100-500 mg/m2.