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    • 31. 发明专利
    • Surface-treated copper foil and laminate made therefrom
    • 表面处理的铜箔和层压体
    • JP2014111817A
    • 2014-06-19
    • JP2013000676
    • 2013-01-07
    • Jx Nippon Mining & Metals CorpJx日鉱日石金属株式会社
    • ARAI EITAMIKI ATSUSHIARAI YASUNORINAKAMURO KAICHIRO
    • C25D7/06H05K1/09
    • H05K1/056C25D1/04C25D3/38C25D3/58C25D5/16C25D7/0692H05K1/09H05K1/14H05K3/022H05K3/36H05K3/384Y10T29/49126Y10T428/12431Y10T428/24917Y10T428/31678
    • PROBLEM TO BE SOLVED: To provide surface-treated copper foil having good adhesion with a resin, which achieves excellent transparency after removal of the copper foil by etching; and a laminate made therefrom.SOLUTION: The surface-treated copper foil has at least one surface having a skewness Rsk of -0.35 to 0.53. In an observation spot vs brightness graph, the difference between the top average Bt and the bottom average Bb of the brightness curve extending from the end of a mark to the part having no mark is represented by ΔB(ΔB=Bt-Bb). In an observation spot vs brightness graph, a value t1 indicates the position of the intersection closest to the linear mark among the intersections of the brightness curve and Bt, ant a value t2 indicates the position of the intersection closest to the linear mark among the intersections of the brightness curve and 0.1ΔB in the depth range from the intersection of the brightness curve and Bt to 0.1ΔB on the basis of Bt. The surface-treated coper foil has an Sv of 3.5 or more, which is defined by the following expression (1).
    • 要解决的问题:提供与树脂具有良好粘合性的表面处理铜箔,其通过蚀刻除去铜箔后实现优异的透明度; 和由其制成的层压体。溶液:经表面处理的铜箔具有至少一个具有-0.35至0.53的偏度Rsk的表面。 在观察点vs亮度图中,从标记结束到没有标记的部分的亮度曲线的顶部平均Bt和底部平均Bb之间的差由&Dgr; B(&Dgr; B = Bt- BB)。 在观察点vs亮度图中,值t1表示亮度曲线和Bt的交点之间最接近线性标记的交点的位置,蚂蚁值t2表示交点之间最接近线性标记的交点的位置 的亮度曲线和0.1&Dgr; B在亮度曲线Bt与0.1&Dgr; B之间的深度范围内,基于Bt。 表面处理的氧化铝箔的Sv为3.5以上,由下述式(1)定义。