ALEXANDRIA, Va., Jan. 28 -- United States Patent no. 12,533,767, issued on Jan. 27, was assigned to WOLFSPEED INC. (Durham, N.C.).
"Grind wheel design for low edge-roll grinding" was invented by Simon Bubel (Carrboro, N.C.) and Robert Leonard (Raleigh, N.C.).
According to the abstract* released by the U.S. Patent & Trademark Office: "Grinding systems and methods for semiconductor workpieces are provided. In one example, a grinding system includes a workpiece support operable to support a semiconductor workpiece and rotate the semiconductor workpiece about a first axis. The grinding system further includes a grind wheel operable to rotate about a second axis. The grind wheel has a plurality of grinding teeth arranged in a grinding ring on ...