Float Zone (FZ) Silicon Wafers High Purity for Research

UniversityWafer -  Silicon for Researchers
University Silicon Wafer for Production

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What are Float Zone Silicon Wafers Used For?

Float-zone (FZ) silicon wafers also called undoped or intrinsic are used in applications that require purity that is much higher than Czochralski (CZ) grown silicon.

Examples include:

  • Power devices & detectors
  • Highly transparent to terahertz radiationcy, so it's used to fabricate optical components - lenses and windows
  • Satellite solar arrays

We have a large selection in stock, but we can customize any order in small and large quantities.


Float Zone Silicon Wafers - Buy Online!

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.

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

Intrinsic Float Zone (FZ) Silicon Wafer

25.4mm Intrinsic (100) >2,000 ohm-cm SSP 280 micron

N-type Phosphorous Float Zone (FZ) Silicon Wafer

50.8mm N-Type Phosphorous Float Zone (FZ) (111) >200 ohm-cm SSP 200um

Undoped Float Zone (FZ) Silicon Wafer

76.2mm Undoped (100) >5,000 ohm-cm SSP 500um

Float Zone (FZ) Silicon Wafers

100mm, 150mm and 200umm Undoped Silicon Wafers in stock. All orientations, resistivities and other specs in stock.

float zone fz silicon wafer