ALEXANDRIA, Va., Sept. 30 -- United States Patent no. 12,427,538, issued on Sept. 30, was assigned to CHANGZHOU SHICHUANG ENERGY Co. LTD (Jiangsu, China).
"Method for roller-coating liquid material" was invented by Hao Pan (Jiangsu, China), Changrui Ren (Jiangsu, China) and Liming Fu (Zhejiang, China).
According to the abstract* released by the U.S. Patent & Trademark Office: "The present disclosure provides a method for roller-coating a liquid material, including roller-coating the liquid material on a silicon wafer with a liquid coating roller, and controlling a thickness of the liquid material carried on the liquid coating roller with a liquid taking roller, where a liquid retaining structure is provided at two ends of the liquid coati...