US Patent Issued to Wolfspeed on Feb. 4 for "Semiconductor device incorporating a substrate recess" (North Carolina Inventors)

ALEXANDRIA, Va., Feb. 5 -- United States Patent no. 12,218,202, issued on Feb. 4, was assigned to Wolfspeed Inc. (Durham, N.C.).

"Semiconductor device incorporating a substrate recess" was invented by Evan Jones (Durham, N.C.), Saptha Sriram (Cary, N.C.) and Kyle Bothe (Cary, N.C.).

According to the abstract* released by the U.S. Patent & Trademark Office: "A semiconductor device includes a substrate having an upper surface including a recess region, a semiconductor structure on the substrate, a portion of the semiconductor structure within the recess region, and a gate contact, a drain contact, and a source contact on the semiconductor structure. The recess region does not vertically overlap the drain contact or the source contact."

The...