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    • 10. 发明授权
    • Apparatus and method for plating coatings on to fine powder materials and use of the powder therefrom
    • 将涂层镀覆在细粉末材料上并从其中使用粉末的装置和方法
    • US06322685B1
    • 2001-11-27
    • US09078043
    • 1998-05-13
    • Sung Kwon KangSampath Purushothaman
    • Sung Kwon KangSampath Purushothaman
    • C25D1716
    • C25D17/18H05K3/321
    • A method using an electrically nonconductive cathode chamber with at least part of its wall area rendered permeable to ions and electrolytic solutions; premixing a predetermined quantity of an electroconductive powder and a first electroplating solution; filling the cathode chamber with the solution/powder mixture and a plurality of electroconductive spheres; disposing an electroconductive cathode ball connection in contact with the spheres and powder particles; securing the cathode chamber to a cap which is part of a rotary assembly that allows the rotation of the cathode chamber about its axis without twisting the aforementioned cathode ball connection positioned within said chamber; placing the cathode chamber within an anode chamber containing a second electroplating solution and an anode; rotating the cathode chamber on its axis using the rotary assembly; biasing the anode with a positive voltage in reference to the cathode ball connection causing the electroplating of a metallic coating on the surface of the said powder while it is tumbled within the rotating cathode chamber; and rinsing, cleaning, and optionally ball milling the mixture of plated powder particles and the spheres to enable easy recovery of the plated powder.
    • 一种使用非导电阴极室的方法,其至少部分壁面对离子和电解液是可渗透的; 预混合预定量的导电粉末和第一电镀溶液; 用溶液/粉末混合物填充阴极室和多个导电球体; 设置与球体和粉末颗粒接触的导电阴极球连接; 将阴极室固定到帽子,帽子是旋转组件的一部分,其允许阴极室围绕其轴线旋转,而不会扭转位于所述腔室内的上述阴极球连接件; 将阴极室放置在包含第二电镀溶液和阳极的阳极室内; 使用旋转组件将阴极室旋转在其轴上; 相对于阴极球连接,以正电压偏压阳极,导致在旋转的阴极室内翻滚时所述粉末的表面上的金属涂层的电镀; 以及漂洗,清洁和可选地将电镀粉末颗粒和球体的混合物球磨,以便容易地回收镀覆的粉末。