ALEXANDRIA, Va., Sept. 30 -- United States Patent no. 12,429,775, issued on Sept. 30, was assigned to TAIWAN SEMICONDUCTOR MANUFACTURING Co. LTD (Hsinchu, Taiwan).
"Dispensing nozzle design and dispensing method thereof" was invented by Wei Chang Cheng (Taichung, Taiwan) and Chi-Hung Liao (Taipei, Taiwan).
According to the abstract* released by the U.S. Patent & Trademark Office: "A lithography apparatus includes a wafer chuck configured to hold a wafer, a fluid source configured to contain a fluid to be applied towards the wafer during a lithography process, a dispensing nozzle positioned above the wafer chuck and in fluid communication with the fluid source, the dispensing nozzle having an adjustable cross-section, and a mechanical mech...