ALEXANDRIA, Va., Aug. 5 -- United States Patent no. 12,702,022, issued on Aug. 4, was assigned to Taiwan Semiconductor Manufacturing Co. Ltd. (Hsinchu, Taiwan).
"Package structure and method of forming the same" was invented by Chih-Wei Wu (Yilan County, Taiwan), Wen-Chih Chiou (Miaoli County, Taiwan) and Ying-Ching Shih (Hsinchu, Taiwan).
According to the abstract* released by the U.S. Patent & Trademark Office: "Provided are a package structure having a joint structure and a method of forming the same. The package structure includes: a first under bump metallurgy (UBM) structure disposed on a first dielectric layer, wherein the first UBM structure at least comprises: a barrier layer embedded in the first dielectric layer; and an upper m...