New coupled EM and circuit simulation flow for integrated spiral inductor by introducing symbolic simplified expressions

Abstract

Abstract-Micro-electronics component and circuit design requires long computation time; to reduce this time, the use of simplification techniques has been introduced. In order to obtain a first validation of the method, a first test case is presented; the simplification techniques have been applied to the analytical expression of Y parameters of an inductor equivalent circuit. The resulting expressions have been used in the fitting process in order to reproduce the behaviour of a simulated inductor. Five different optimization algorithms, both deterministic (POWELL and DIRECT) and stochastic (CRS, CRS ENHANCED and OPTIA) have been tested for the fitting. The result of the introduction of the simplification techniques has been the reduction of the running time during the fitting. From an optimization point of view, the best results have been obtained by the stochastic algorithms CRS, and OPTIA.

Multi-objective optimization of doping profile in semiconductor design

“…Typical device design problems are computationally hard and require the handling of multiple, competing, conflicting, and non-commensurate objectives having strong nonlinear interdependence [3]. Designing micro-electronic devices is a complex process that takes into account increasing frequency and bandwidth ranges, small size factor, high reliability and low power consumption [6]. By looking at the semiconductors field, a crucial step is the design of doping profiles; the doping process consists in introducing impurities into a semiconductor in order to change its behavior.…”

Effective design of semiconductor devices using evolutionary-based derivative free optimization

“…Designing micro-electronic devices is a complex process [1], [2], which takes into account increasing frequency and bandwidth ranges, small size factor, high reliability and low power consumption [3]. From a design point of view, there are three major aspects to take into account; the formulation of a formal model of the device [4], the optimization framewor [5] and the analysis of the solutions [6].…”