What is silicone? -Iota

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Service > What is silicone?

What is silicone?

Industrial silicon is present mid-1960s appears a trade name. Its appearance and the rise of the semiconductor industry related. Currently, the internationally accepted practice is to trade into silicon metal and silicon semiconductor silicon. Silicon metal is made of quartz and coke in an electric furnace smelting of a product, the content of silicon element in the main component is about 98% (in recent years, the amount of 99.99%, containing Si are also hand-held in the metallic silicon), and the remaining impurities are iron, aluminum and calcium. Semiconductor silicon for fabricating a semiconductor device of high purity silicon metal. Are polycrystalline, monocrystalline form of sale, the former inexpensive, the latter price expensive. Its different uses into a variety of specifications. According to statistics, in 1985 the world's total consumption of about 500,000 tons of silicon metal, silicon metal aluminum which accounted for 60%, for less than 30% of organic silicon, accounting for about 3% for the semiconductor, and the rest for iron and steel smelting and precision ceramics.

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