Silicon Wafers

Silicon Wafers

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Monocrystalline silicon is an excellent high-purity semiconductor material. The purity requirement for IC grade is 9N or above (99.9999999%), and the purity requirement for zone melting single crystal silicon wafers is even 11N or above (99.999999999%). It is usually grown by Czochralski (CZ) and melt zone (FZ) methods, and its crystal orientation is determined by the seed crystal. Monocrystalline silicon is currently the most important semiconductor material, accounting for more than 90% of the semiconductor material market, and is the basic material for information technology and integrated circuits.

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