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Given an 8-inch wafer costing $2200 each, with Y, = 80%, Y = 98% and die
area of 4 x 4 mm², estimate the cost per die. The die may be shrunk to 3.3 x
3.3 mm in a more advanced process that costs $3000 per wafer. Justify if it is
worth moving to the new process if the volume is large enough.
(c)

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