Two wafer sizes are to be compared: a 156-mm wafer with a processable area = 150-mm diameter circle, and a 312-mm wafer with a processable area = 300-mm diameter circle. the ic chips in both cases are square with 10 mm on a side. assume the cut lines (streets) between chips are of negligible width. what is the percent increase in (a) processable wafer diameter, (b) processable wafer area, and (c) number of chips for the larger wafer size?

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