2D MAGFET-type sensors modeling: Application to a new device design, the CHOPFET

Abstract

A 2D model dedicated to MAGFET-type sensors is presented. It is applied to a new device design, the CHOPFET and dedicated to accelerating the conception of CHOPFETbased instrumentation systems. FEM Simulation show significant dependence of the geometric parameters on the device's characteristics. The model allows optimization to achieve maximum sensitivity. A compact model for CAD design is also proposed and yields satisfactory simulation results.