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
a. find the yield for both wafers.
b. find the cost per good die for both wafers.
c. 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.
d. 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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We as humans write math expression in infix notation, e.g. 5 + 2 (the operators are written in-between the operands). in a computer’s language, however, it is preferred to have the operators on the right side of the operands, i.e. 5 2 +. for more complex expressions that include parenthesis and multiple operators, a compiler has to convert the expression into postfix first and then evaluate the resulting postfix.write a program that takes an “infix” expression as input, uses stacks to convert it into postfix expression, and finally evaluates it. it must support the following operations: + - / * ^ % (example infix expression: (7 - 3) / (2 + 2)postfix expression: 7 3 - 2 2 + /result: 1guidelines: 1. you will need to use stacks in three placesa. one for the parenthesis check [char stack]b. one during infix to postfix [char stack]c. one during evaluation [int stack]for a and b above, you can use same array and same push, pop method as both ofthem are char. but for evaluation you have int stack and you might consider to createanother push pop method to handle it. maybe push_int, pop_int, etc. or find otherstrategy to utilize existing push pop method2. you can create a function for obtaining operator priority. that function should take anoperator as input and return its priority as an integer. this function will you a lot andreduce repeated code3. during evaluation you will need to convert char into integer. example for single digit: char c = '5'; int x = c - '0';

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