Proposta de um encapsulamento dedicado para sensor magnético

Abstract

Nowadays there are magnetic sensors in a wide variety of equipment such as computers, cars, airplanes, medical and industrial instruments. In many of these applications the magnetic sensors offer safe and non-invasive means of detection and are more reliable than others technologies. The electric current in a conductor generates a magnetic field detected by this type of sensor. This work aims to define a package dedicated to an electrical current sensor using a MTJ (Magnetic Tunnel Junction) as a sensing device. Different proposals of packaging were analyzed by COMSOLR modeling software. The results obtained from the thermal and magnetic analysis and the relative costs of production between these proposals led to the definition of a package to the intended application.