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Silicon Manufacturing Process and Products

Silicon Manufacturing Process and Semiconductor Materials

Since OTC began making polycrystalline silicon in 1960, it has made successive improvements to its developmental technologies while maintaining the world's top quality standards (11N=99.999999999%) for semiconductor-grade products.

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Polycrystalline silicon is manufactured by first reacting metallurgical silicon with hydrogen and silicon tetrachloride to produce trichlorosilane. This is then reacted with hydrogen in a reactor so that the polycrystalline silicon is deposited in a form of rods.

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