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Float Zone Silicon Wafers

When researchers need the higher purity Silicon, they use FZ Silicon substrates instead of Czochralski grown silicon.

Or simply put, Float Zone Si is most ly used low volume applications that require high-efficiency while CZ Silicon is used for high volume, less expensive applications.

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Below are just some of the Float Zone wafers that we have in stock.

FZ Si Dia Type/Dopant Orientation Resistivity
Polish Thickess (Microns) Comments
25.4mm Undoped (100) >2,000 SSP 280 Intrinsic Float Zone
50.8mm N/Ph (111) >200 SSP 200 2 FLats back-side Alkaline etched
76.2mm Undoped (100) >5,000 SSP 500 Undoped Float Zone
100mm P/B (111) 40-60 SSP 255 Buy as few as one
150mm Undoped (100) >10,000 DSP 650um Hard to Find
200mm Undoped (100) >1,000 SSP 725um FZ SI TTV <6um, Bow <10um,Warp<25um

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