polycrystalline as it has undergone additional recrystallization via the Czochralski method. Trichlorosilane is used to create high purity electronic grade (poly)silicon (EGS) from metallurgical grade (poly)silicon (MGS) which is produced from quartzite. EGS is used for silicon photovoltaics and is necessary for the Czochralski method of wafer production used in integrated circuits.

Deposition methods

Polysilicon

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