SAMPLING REFINED COPPER CATHODE USING A …
The punching pattern is illustrated in Figure 1 below. Figure 1: Illustration of the slotted punching pattern. Cathode 1 bottom edge. Cathode 2 left edge Cathode 3 top edge Cathode 4 right edge. The die used to punch out the samples from the cathode is 105mm in length and 25mm in width.