Enlarge / A woman watches a mask—a part used in wafer conception—at a show room of the 12-inch United Microelectronics Corp (UMC) factory in Tainan, southern Taiwan. (credit: Sam Yeh | Getty) United Microelectronics Corporation (UMC), the world’s fourth-largest contract chipmaker, is expanding its capacity to produce mature technology chips in exchange for financial guarantees, […]