Neutron Transmutation Doped (NTD) Silicon

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University Silicon Wafer for Production

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Why Use Neutron Transmutation Doped (NTD) Silicon

Neutron Transmutation Doped (NTD) Float Zone Silicon is used in semiconductor devices that have to work in extreme environments including space. NTD silicon has the lowest resistivity range of any crystalline silicon wafer.

NTD SIlicon Benefits

• Tightest resistivity tolerances of any silicon wafer
• Lowest impurity levels
• Highest minority carrier lifetime

We have very few requests for NTD Silicon, fewer than in the past.
Currently FZ Silicon can be chemically doped with greater resistivity uniformity (both radially and much better radially) than in the past, so now NTD Silicon has fewer advantages.

But if you need NTD-Silicon, let us know and we'll quote!