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modern silicon industry in China
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modern silicon industry in China
Encyclopedia
工学
中国现代有色金属工业
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modern silicon industry in China
中国现代硅工业
硅工业产品根据其纯度主要分为工业硅(或称金属硅)和多晶硅。一般将从硅矿石经电炉冶炼的产品称为工业硅,含硅量98%左右。以工业硅为原料,经物理或化学提纯后,得到含硅量99.99999%(7N)以上的产品称为多晶硅,多晶硅经定向生长可制得单晶硅,可用于集成电路、电子器件和太阳能电池。中国硅矿储量丰富,主要分布在云南、新疆、四川、甘肃、福建、湖南等省区。
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