US Patent Issued to Allegro MicroSystems on Feb. 10 for "TMR vortex layout for back bias sensors" (French, American, German Inventors)

ALEXANDRIA, Va., Feb. 11 -- United States Patent no. 12,546,836, issued on Feb. 10, was assigned to Allegro MicroSystems LLC (Manchester, N.H.).

"TMR vortex layout for back bias sensors" was invented by Remy Lassalle-Balier (Bures sur Yvette, France), Alexander Latham (Harvard, Mass.), Ronald Lehndorff (Mainz, Germany) and Cedric Gillet (Annecy, France).

According to the abstract* released by the U.S. Patent & Trademark Office: "According to one aspect of the disclosure, a sensor includes a substrate; a back bias magnet arranged to generate a bias field at least having components in a plane parallel to a surface of the substrate, the bias field having a horizontal symmetry axis within the plane; and a plurality of sensing element groups d...