Calculate the substrate parasitic capacitance fora 5 mm long conductor that is 2 mm wide on a500 mm thick silicon wafer that is 12 inches indiameter.

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Answered: Calculate the substrate parasitic…

Delmar's Standard Textbook Of Electricity

7th Edition

ISBN:9781337900348

Author:Stephen L. Herman

Publisher:Stephen L. Herman

Chapter1: Atomic Structure

Section: Chapter Questions

Problem 6RQ: How many valence electrons are generally contained in materials used for insulators?

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The applied electric field in p-type silicon is E=10V/cm. The semiconductor conductivity is 1.5(Ω-cm)-1and cross-sectional area is 10-5cm2. Determine the driftcurrent. (b) A drift current density of 120A/cm2is established in n-type silicon with an applied electric field of 18V/cm. If the electron and hole mobilities are µn =1250 cm2/V-s and µp =450 cm2/V-s, respectively, determine the required doping concentration.
8. Each of the three insulators forming a string has a self capacitance of C farad The shunt capacitance of each insulator is 02C to earth and 0-1 C to line. A guard-ring increases the capacitance of line of the metal work of the lowest insulator to 0-3 C. Calculate the string efficiency of the arrangement: )with the guard ring. (7) without guard ring. 10 95% () 86 13%|
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8. Each of the three insulators forming a string has a self capacitance of C farad. The shunt capacitance of each insulator is 0-2 C to earth and 0-1 C to line. A guard-ring increases the capacitance of line of the metal work of the lowest insulator to 0-3 C. Calculate the string efficiency of the arrangement: (i) with the guard ring, (ii) without guard ring. [(i) 95% (ii) 86-13%)
Problem 2 In a P-type semiconductor, the Fermi level is 0.3 eV above the valance band at a room temperature of 300 "K. Determine the new position of the Fermi level for temperatures of (a) 350 "K and (b) 400 "K. The Fermi level in a P-type material is given by

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Calculate the substrate parasitic capacitance for a 5 mm long conductor that is 2 mm wide on a 500 mm thick silicon wafer that is 12 inches in diameter.