Hemlock Semiconductor Corporation

From Wikipedia, the free encyclopedia
Jump to: navigation, search

Hemlock Semiconductor Corporation, named after Hemlock, Michigan, is the largest producer of polysilicon in the United States. It is a subsidiary of Dow Corning and was founded in 1961.[1]

Its current facilities produce some 36,000 tons of polysilicon, ranking it among the top 5 producers worldwide.[1] The expansion is a new $1.2 billion plant in Tennessee since 2008 with its Japanese joint venture partners Shin-Etsu Chemical and Mitsubishi Materials, due to open in 2012. This same plant is under negotiation for yet another $3 billion expansion to keep apace with Chinese rivals.[2]