US Patent Issued to WOLFSPEED on Nov. 11 for "Electrical discharge machining processing for semiconductor workpiece" (North Carolina Inventors)

ALEXANDRIA, Va., Nov. 11 -- United States Patent no. 12,469,682, issued on Nov. 11, was assigned to WOLFSPEED INC. (Durham, N.C.).

"Electrical discharge machining processing for semiconductor workpiece" was invented by Blake Leonardi Darby (Raleigh, N.C.) and Devon Michael Diehl (Durham, N.C.).

According to the abstract* released by the U.S. Patent & Trademark Office: "An example method includes providing a wide bandgap semiconductor workpiece. The example method includes exposing the wide bandgap semiconductor workpiece to one or more electrical discharges from an electrical discharge machining (EDM) system to reduce a surface roughness of the wide bandgap semiconductor workpiece. Exposing the wide bandgap semiconductor workpiece to the ...