ALEXANDRIA, Va., Feb. 3 -- United States Patent no. 12,542,158, issued on Feb. 3, was assigned to Seagate Technology LLC (Fremont, Calif.).
"Edge profiled media substrate" was invented by Thomas Larson Greenberg (Berkeley, Calif.), Robin Andrew Davies (Livermore, Calif.), Clay Harrison Heberly (San Jose, Calif.) and Joachim Ahner (Livermore, Calif.).
According to the abstract* released by the U.S. Patent & Trademark Office: "A non-metallic media substrate includes a disc-shaped substrate body having at least one media storage surface on a face thereof. The substrate body has a center opening having an inner diameter and an outer diameter surface, and the substrate body has a thickness. The substrate further includes an annular groove at t...