ALEXANDRIA, Va., July 23 -- United States Patent no. 12,368,054, issued on July 22, was assigned to TEXAS INSTRUMENTS Inc. (Dallas).
"Lead frame rolling" was invented by Amirul Afiq Bin Hud (Melaka, Malaysia), Sueann Wei Fen Lim (Melaka, Malaysia) and Adi Irwan Bin Herman (Selangor, Malaysia).
According to the abstract* released by the U.S. Patent & Trademark Office: "A method includes rolling a roller with a protrusion across a lead frame to create an indent in a feature of the lead frame, attaching a die to a die attach pad of the lead frame, coupling the die with a lead, and enclosing portions of the die, the die attach pad, and portions of the lead frame feature with a molding compound. A system includes a roller with a cylindrical bo...