About Sumco

SUMCO Corporation, together with its subsidiaries, engages in the manufacture and sale of silicon wafers for semiconductor industry. It operates in Japan, North America, Asia, and Europe. Products The company's products include single crystal silicon ingots, polished wafers, annealed wafers, epitaxial wafers, junction isolated wafers, silicon-on-insulator wafers, direct bonded wafers, separation by implanted oxygen wafers, and reclaimed polished wafers. The company also manufactures silicon wafers for solar energy cells; and quartz crucibles for use in the manufacturing process of silicon wafers. History The company was founded in 1999. It was formerly known as Silicon United Manufacturing Corporation and changed its name to Sumitomo Mitsubishi Silicon Corporation in 2002. Further, the company changed its name to SUMCO Corporation in 2005.