ALEXANDRIA, Va., April 7 -- United States Patent no. 12,598,917, issued on April 7, was assigned to International Business Machines Corp. (Armonk, N.Y.).
"Advanced MRAM device structure having hyperboloid shape" was invented by Oscar van der Straten (Guilderland Center, N.Y.), Praneet Adusumilli (Somerset, N.J.) and Chih-Chao Yang (Glenmont, N.Y.).
According to the abstract* released by the U.S. Patent & Trademark Office: "A MRAM Cell including a dielectric cap and a lower section that includes a bottom electrode, a synthetic anti-ferromagnet layer, and a reference layer, where in the sidewalls of each of the bottom electrode, the synthetic anti-ferromagnet layer, and the reference layer are angled relative to the vertical plane perpendic...