ALEXANDRIA, Va., Sept. 10 -- United States Patent no. 12,410,512, issued on Sept. 9, was assigned to Taiwan Semiconductor Manufacturing Co. Ltd. (Hsinchu, Taiwan).
"Apparatus and method for manufacturing metal gate structures" was invented by Chen-Yu Lee (Hsinchu, Taiwan) and Yen-Yu Chen (Hsinchu, Taiwan).
According to the abstract* released by the U.S. Patent & Trademark Office: "Semiconductor processing apparatuses and methods are provided in which a pre-clean chamber receives a semiconductor wafer from a metal gate layer deposition chamber and at least partially removes an oxide layer on a metal gate layer. In some embodiments, a semiconductor processing apparatus includes a plurality of metal gate layer deposition chambers. Each of th...