SK Siltron, the semiconductor wafer unit of SK Group, completed the acquisition of DuPont's wafer business for $450m. Through this acquisition, SK Siltron, based in Gumi, South Korea, is expected to maximize its R&D and production capabilities and synergy between its current major businesses, while securing new growth engines by entering rapidly expanding areas. "The acquisition clearly shows our strong willingness to nurture semiconductor business and create significant synergy within the group, including SK Innovation's EV battery business, due to the wafer boom," an SK Siltron official.