UMC is a 300mm manufacturing leader with two advanced 300mm fabs in operation. Fab 12A in Tainan, Taiwan has been in volume production for customer products since 2002 and is currently manufacturing 28nm products. Fab 12A's production capacity is currently over 50,000 wafers month. UMC's second 300mm fab, Fab 12i, is located in Singapore's Pasir Ris Wafer Park. This second-generation 300mm facility is also in volume production, with capacity at 45,000 wafers per month. The advanced automation, mature defect density, and competitive cycle times along with a customer-aligned capacity expansion plan enable UMC to be the foundry of choice for customers' manufacturing needs.
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