Patent ID: 6968304

Claim:
A computer implemented method for calculating electromagnetic radiation in a computer system, comprising: determining the distance of a central processing unit from a heat sink; determining a number of fins and a number of bars of the heat sink; determining the heat sink fin geometry; determining if the capacitive coupling exists between the heat sink and the central processing unit for adjusting the fin size; determining if inductive coupling exists between the heat sink and the central processing unit for adjusting the number of fins and a number of bars; determining the current density across the heat sink for adjusting the fin geometry; determining current loop length defined by a current path over a surface of the heat sink and adjusting the current loop length by adjusting one or more of the number of fins, the number of bars and the fin geometry; modeling characteristic radiation from the central processing unit as a modulated Gaussian pulse; and estimating the electromagnetic field produced by the central processing unit using finite differences in time domain (FDTD) to solve Maxwell's equation.