US Patent Issued to Wolfspeed on May 26 for "Power devices with a hybrid gate structure" (North Carolina Inventors)

ALEXANDRIA, Va., May 26 -- United States Patent no. 12,641,822, issued on May 26, was assigned to Wolfspeed Inc. (Durham, N.C.).

"Power devices with a hybrid gate structure" was invented by Daniel Jenner Lichtenwalner (Raleigh, N.C.) and Naeem Islam (Morrisville, N.C.).

According to the abstract* released by the U.S. Patent & Trademark Office: "A vertical field effect device having a body, gate dielectric, and a gate electrode, which is in a trench that extends into the body from the top surface of the body and is located between first and second source regions. The first and second regions vertically overlap the gate electrode. The first and second channel regions laterally overlap a bottom of the gate electrode, such that each channel f...