US Patent Issued to TAIWAN SEMICONDUCTOR MANUFACTURING on March 17 for "Integrated coupon design for surface coating quality" (Taiwanese Inventors)

ALEXANDRIA, Va., March 17 -- United States Patent no. 12,578,657, issued on March 17, was assigned to TAIWAN SEMICONDUCTOR MANUFACTURING COMPANY LTD. (Hsinchu, Taiwan).

"Integrated coupon design for surface coating quality" was invented by Yu-Wei Hsu (Hsinchu, Taiwan), Chien-Liang Chen (Hsinchu, Taiwan), Shih-Tsung Chen (Hsinchu, Taiwan) and Chien-Yu Wang (Hsinchu, Taiwan).

According to the abstract* released by the U.S. Patent & Trademark Office: "To improve quality assurance and durability of coated components, a multifaceted inspection coupon is provided that includes opposing flat surfaces, separated by sides which include one or more curves or fillets representing surfaces of the coated components to be inspected. The inspection coup...