SUMCO Enlarges 300mm Silicon Wafer Expansion

SUMCO Corporation announced on Friday the firm expands its output capacity of 300 millimeter silicon wafer to 1.4 million wafers per month by the end of June 2009. SUMCO tries to meet sharply increasing demand for 300 mm silicon wafer by upward revision of its 2 original output expansion plans. The firm invests approximately 80 billion yen for the expansion mainly by self finance.SUMCO plans to expand 300 mm wafer output capacity at Imari 5th plant in Saga Prefecture, Japan to 1 million wafers per month by the end of June 2009. The firm originally planned to expand the capacity to 0.76 million wafers per month by the end of July 2008 and revised the plan upward by 0.24 million wafers. At SUMCO TECHXIV, the subsidiary in Nagano Prefecture, Japan, 300 mm wafer output capacity will be expanded to 0.4 million wafers per month by the end of June 2009. SUMCO originally planned to raise the capacity to 0.23 million wafers per month and revised the plan upward by 0.17 million wafers. SUMCO will supply monocrystalline silicone to SUMCO TECHXIV needed for additional 0.17 million wafers.