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Hemlock Semiconductor
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A history of development

This timeline details the events and investments that have helped make us an industry leader.

Hemlock Semiconductor subscribes to Dow Corning's Vision, Values and Code of Business Conduct.


Hemlock Semiconductor Group – delivering the highest-quality polysilicon for semiconductor and solar wafer manufacturing

Semiconductor and solar ingot/wafer manufacturers rely on Hemlock Semiconductor Group as a consistent, reliable source of high-purity polycrystalline silicon and chlorosilanes. Hemlock Semiconductor has been an industry leader for more than 50 years, helping keep you at the forefront of your industry.

For semiconductor wafer manufacturersPolysilicon manufactured by HSC.

  • Rigorous quality standards and analytical methods result in the consistent surface and bulk purity and performance of the products you buy. You can count on the high purity and repeatable performance of Hemlock Semiconductor's products to minimize dip-in time, and maximize structure yield in your operation.

For solar wafer manufacturers

  • Our solar grade polycrystalline silicon is manufactured with semiconductor quality standards. Our broad product portfolio of cut rods, chunks, chips, and fines allows maximum crucible loading (density) suitable for both multi- and mono-crystalline wafer production.
  • You can count on us as a production-proven source to deliver high-purity silicon on a consistent and reliable basis.

Unlike some polycrystalline silicon suppliers, we focus on the raw materials you need, so you can focus on your products.

Visit the Products/Applications pages for a complete description.



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