ALEXANDRIA, Va., Jan. 20 -- United States Patent no. 12,531,217, issued on Jan. 20, was assigned to TAIWAN SEMICONDUCTOR MANUFACTURING COMPANY LTD. (Hsinchu, Taiwan).

"Laser array system for improved local CD uniformity" was invented by Po-Ju Chen (Hsinchu, Taiwan), Cha-Hsin Chao (Taipei, Taiwan) and Chih-Teng Liao (Hsinchu, Taiwan).

According to the abstract* released by the U.S. Patent & Trademark Office: "An apparatus includes a processing chamber, a substrate support in the processing chamber, a plasma source coupled to the processing chamber, and a plurality of heating devices arranged on the processing chamber. Each heating device is configured to emit laser beam on a substrate positioned on the substrate support to heat the substra...