Patent 10585152 was granted and assigned to Allegro Microsystems, Llc on March, 2020 by the United States Patent and Trademark Office.
In one aspect, an integrated circuit (IC) includes a sensor that includes a first magnetoresistive (MR) element and a second MR element less active to a presence of a magnetic field than the first MR element. The second MR element includes a metal layer diffused into other layers of the second MR element.