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Float Zone (FZ) silicon is commonly used in the manufacture of discrete power devices, high efficiency solar, RF chips and optical products. FZ silicon is a high purity alternative to Czochalski (CZ) grown silicon whereas the concentration of carbon and oxygen impurities are extremely low. The purity of FZ allows the silicon to go through a lighter doping process, sometimes producing resistivity measurements reaching heights of up to 50,000 ohm-cm.
SICREAT offers FZ wafers ranging in diameter from 50mm to 200mm. Intrinsic wafers are available. Below please find examples of standard FZ wafer specifications.
Below are examples of SVM standard products:
Silicon Wafer Diameter: 150mm Type/dopant: N or P Orientation: Resistivity: 1,000-3,000 ohm-cm Thickness: 675 +/-25um Flats: 1 / SEMI standard TTV: <10um Front Side: Polished Back Side: Etched or Polished