About Hemlock Semiconductor Group Hemlock Semiconductor Group (Hemlock Semiconductor) is comprised of several joint venture companies owned in majority by Dow Corning Corporation. Hemlock Semiconductor is a leading provider of polycrystalline silicon and other silicon-based products used in the manufacturing of semi- conductor devices, and solar cells and modules. Hemlock Semiconductor began its operations in 1961. In total, Hemlock Semiconductor has announced investments of up to $4.5 billion since 2005 to increase polysilicon capacity to meet the growing needs of the solar industry. About Polysilicon An ultra-pure version of polysilicon is the base material for silicon wafers used in electronic devices. Nearly one in three electronic devices in the world contain polysilicon from Hemlock Semiconductor. Polysilicon is the cornerstone material used to produce solar cells that convert energy from the sun into electrical current. Polysilicon production is the first step in the solar supply chain. A series of global solar manufacturing companies will convert the polysilicon into thin wafers, which are used for solar cells. Ultimately, the solar cells are built into solar panels and arrays that provide electrical power for residential, commercial, municipal and utility-scale applications. Hemlock Semiconductor Group’s World Headquarters and Michigan Site 12334 Geddes Road P.O. Box 80 Hemlock, MI 48626 USA +1 989 301 5000 Hemlock Semiconductor Group’s Tennessee Site 1000 Solar Way Clarksville, TN 37040 USA +1 931 614 1000 Leadership Andrew E. Tometich President Hemlock Semiconductor Group – Fast Facts hscpoly.com
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Hemlock Semiconductor Group – Fast Facts and other silicon-based products used in the manufacturing of semi-conductor devices, and solar cells and modules. Hemlock Semiconductor
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About Hemlock Semiconductor GroupHemlock Semiconductor Group (Hemlock Semiconductor) is comprised
of several joint venture companies owned in majority by Dow Corning
Corporation. Hemlock Semiconductor is a leading provider of polycrystalline
silicon and other silicon-based products used in the manufacturing of semi-
conductor devices, and solar cells and modules. Hemlock Semiconductor
began its operations in 1961.
In total, Hemlock Semiconductor has announced investments of up to
$4.5 billion since 2005 to increase polysilicon capacity to meet the growing
needs of the solar industry.
About PolysiliconAn ultra-pure version of polysilicon is the base material for silicon wafers
used in electronic devices. Nearly one in three electronic devices in the
world contain polysilicon from Hemlock Semiconductor. Polysilicon is the
cornerstone material used to produce solar cells that convert energy from
the sun into electrical current. Polysilicon production is the first step in the solar
supply chain. A series of global solar manufacturing companies will convert
the polysilicon into thin wafers, which are used for solar cells. Ultimately, the
solar cells are built into solar panels and arrays that provide electrical power
for residential, commercial, municipal and utility-scale applications.
Hemlock Semiconductor Group’s World Headquarters andMichigan Site12334 Geddes RoadP.O. Box 80Hemlock, MI 48626 USA+1 989 301 5000
Image: HSCAV00180, HSCAV00132The information contained herein is offered in good faith and is believed to be accurate. However, because conditions and methods of use of our products are beyond our control, this information should not be used in substitution for customer’s tests to ensure that our products are safe, effective and fully satisfactory for the intended end use. Suggestions of use shall not be taken as inducements to infringe any patent.
The sole warranty of the Hemlock Semiconductor Group companies is that our products will meet the sales specifications in effect at the time of shipment.
Your exclusive remedy for breach of such warranty is limited to refund of purchase price or replacement of any product shown to be other than as warranted.
HEMLOCK SEMICONDUCTOR SPECIFICALLY DISCLAIMS ANY OTHER EXPRESS OR IMPLIED WARRANTY OF FITNESS FOR A PARTICULAR PURPOSE OR MERCHANTABILITY.
HEMLOCK SEMICONDUCTOR DISCLAIMS LIABILITY FOR ANY INCIDENTAL OR CONSEQUENTIAL DAMAGES.
1957: Dow Corning implements technology to manufacture polycrystalline silicon
1960: Hemlock Semiconductor’s Michigan site built in Hemlock, Michigan, USA
1961: First year in production
1979: Hemlock Semiconductor Corporation is formed as a wholly owned subsidiary of Dow Corning Corporation
1984: Hemlock Semiconductor becomes a joint venture of Dow Corning and two of Japan’s largest single-crystal wafer manufacturers, Shin-Etsu Handotai Co., Ltd., and Mitsubishi Materials Corporation
1992: ISO 9002 registration received
1994: Hemlock Semiconductor becomes one of the world’s largest producers/suppliers of polycrystalline silicon
1998: Expansion to produce 35 percent more polycrystalline silicon completed; finishing expansion and technology enhancements provide an ultra-clean polysilicon product
2005: $500 million expansion that will increase capacity by 100 percent announced; construction begins
2007: $1 billion expansion to increase the company’s total annual output of polysilicon to 36,000 metric tons announced; construction begins
2008: The $500 million expansion announced in 2005 begins operating, increasing capacity to approximately 19,000 metric tons
2008: Investment of up to $2.2 billion announced to expand the Michigan site and to develop a new manufacturing site in Clarksville, Tennessee, USA
2009: Operation of Phase 1 of the $1 billion expansion announced in 2007 commences, increasing capacity to approximately 27,500 metric tons
2009: Construction begins on the Tennessee site
2009: Hemlock Semiconductor donates $2 million in laboratory equipment for the new Chemical Engineering Technology program at Austin Peay State University in Clarksville, Tennessee
2010: Tennessee site project team moves into the first on-site building
About Dow Corning CorporationDow Corning Corporation (dowcorning.com) is the majority shareholder in the Hemlock Semiconductor Group (hscpoly.com) joint ventures. Dow Corning provides performance- enhancing solutions to serve the diverse needs of more than 25,000 customers worldwide. A global leader in silicones, silicon-based technology and innovation, Dow Corning offers more than 7,000 products and services via the company’s Dow Corning® and XIAMETER® (xiameter.com) brands. Dow Corning is equally owned by The Dow Chemical Company and Corning, Incorporated. More than half of Dow Corning’s annual sales are outside the United States.
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