ALEXANDRIA, Va., Sept. 30 -- United States Patent no. 12,432,965, issued on Sept. 30, was assigned to GE Aviation Systems LLC (Grand Rapids, Mich.).
"Semiconductor switching device" was invented by Collin William Hitchcock (Clifton Park, N.Y.), Stacey J. Kennerly (Niskayuna, N.Y.) and Ljubisa D. Stevanovic (Clifton Park, N.Y.).
According to the abstract* released by the U.S. Patent & Trademark Office: "A semiconductor device cell includes a semiconductor layer having a surface defining a series of parallel striations extending in a first direction. The semiconductor layer surface has a lower electrical resistance in the first direction than in a second direction orthogonal to the first direction. A channel region defines a set of first ch...