The Manufacturing Process of Silicon Carbide
The manufacturing of silicon carbide involves several complex processes. One of the primary methods is the Acheson process, which was developed in the late 19th century. In this process, a mixture of silica sand and petroleum coke is heated in an electric resistance furnace to temperatures around 2000 - 2500°C. The high temperature causes a chemical reaction between silicon dioxide in the sand and carbon in the coke, resulting in the formation of silicon carbide. However, the Acheson process typically produces silicon carbide with impurities, which requires further purification steps.
Modern manufacturing techniques focus on producing high - purity, single - crystal silicon carbide for semiconductor applications. Chemical vapor deposition (CVD) is a widely used method for growing high - quality SiC single crystals. In CVD, a mixture of volatile silicon - containing and carbon - containing precursors is introduced into a high - temperature reactor. These precursors decompose and deposit silicon and carbon atoms on a seed crystal, gradually growing a large, single - crystal SiC boule. The growth process needs to be precisely controlled to ensure the crystal's quality, as any defects can significantly affect the performance of SiC - based devices. After crystal growth, the boules are sliced, polished, and processed into wafers, which are then used to fabricate various SiC - based electronic and optoelectronic devices.
silicon carbide specification
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Trademark |
ZhenAn |
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Product |
Silicon Carbide |
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Purity |
88% 90% 98% |
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Shape |
Grit and Powder |
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HS Code |
284920 |

about ZhenAn
ZhenAn is an enterprise specializing in Metallurgical & Refractory products , integrating production, processing, sales and importing and exporting business. We are focused on building a dedicated team of professionals across the globe. At ZhenAn, we are committed to provide complete solutions by delivering the "right quality & quantity" to suite our customer's processes.
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