Assume a 15 cm diameter wafer has a cost of 12, contains 84 dies, and has 0.020
Question:
Assume a 15 cm diameter wafer has a cost of 12, contains 84 dies, and has 0.020 defects/cm2. Assume a 20 cm diameter wafer has a cost of 15, contains 100 dies, and has 0.031 defects/cm2.
1. Find the yield for both wafers.
2. Find the cost per die for both wafers.
3. If the number of dies per wafer is increased by 10% and the defects per area unit increases by 15%, find the die area and yield.
4. Assume a fabrication process improves the yield from 0.92 to 0.95. Find the defects per area unit for each version of the technology given a die area of 200 mm2.
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Related Book For
Computer Organization and Design The Hardware Software Interface
ISBN: 978-0124077263
5th edition
Authors: David A. Patterson, John L. Hennessy
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