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Modern technological schemes of receiving silicon include regeneration and a repeated of all components and products of reactions of restoration (pyrolysis that improves technical and economic indicators of a, reduces prime cost of the received silicon, does process by ecologically purer.

With a growth of crystals of silicon with very low density of dislocations there is a type of defects which probably are characteristic only for semiconductor crystals and now are intensively investigated. Because of the small size they are called microdefects.

As initial raw materials for the majority of products of the microelectronic industry electronic silicon serves. The first stage of its receiving is production of the raw materials called by technical (metallurgical) silicon.