1. A. If the junction depth of Phosphorous atoms diffused into a p-type wafer after a 1.25 hours pre-deposition stage is

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1 A If The Junction Depth Of Phosphorous Atoms Diffused Into A P Type Wafer After A 1 25 Hours Pre Deposition Stage Is 1 (101.39 KiB) Viewed 14 times

1. A. If the junction depth of Phosphorous atoms diffused into a p-type wafer after a 1.25 hours pre-deposition stage is 6.575 µm, determine the diffusivity of the dopants at 1300 °C, in cm²/s. Assume that the solubility of P to the wafer is 5.875 X 1020 /cm³ and that the bulk concentration of the dopants is 6.745 X 1015 /cm³. (4 points) B. If the dopants were driven into the substrate for 2.2 hours, at the same temperature, what would be the junction depth in um, after the drive-in process? (6 points)