Hemlock Semiconductor to Make $1 Billion Investment in Polycrystalline Silicon

Hemlock Semiconductor (Hemlock, MI) says it will invest up to $1 billion over the next four years to expand polycrystalline silicon capacity by 90%, to 36,000 m.t./year, at Hemlock. The expansion is due to come online in 2010. Hemlock is a joint venture of Dow Corning, Shin Etsu Handotai (Tokyo), and Mitsubishi Materials (Tokyo). “Our customers in the solar and semiconductor industries have a critical need for more of our materials,” says Rick Doornbos, Hemlock president and CEO. The company says it is the world’s largest manufacturer of...

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