Description
Siltronic 100mm FZ Silicon Wafer N-Type 1-1-1 525±20μm 1725-2875Ω·cm Lot of 50
This listing is for a lot of 50 Siltronic AG 100mm float-zone (FZ) polished silicon wafers, N-type conductivity, (111) crystal orientation, phosphorus-doped. The wafers are polished on one side (SSP) and carry a high resistivity specification of 1725–2875 Ω·cm, making them well-suited for applications requiring low defect density and precise electrical characteristics. These were ordered by a small semiconductor lab that never put them into use before closing, and they remain in their original Siltronic plastic carriers with lot labels and QC acceptance stickers intact.
Specifications & What's Included
- Manufacturer: Siltronic AG (Wacker Siltronic)
- Crystal Growth Method: Float Zone (FZ)
- Diameter: 100mm (4 inch)
- Thickness: 525 ± 20 μm
- Crystal Orientation: (111) / 1-1-1
- Conductivity Type: N-Type
- Dopant: Phosphorus (PH)
- Resistivity: 1725–2875 Ω·cm
- Surface Finish: Polished One Side (SSP)
- Quantity: 50 wafers
- Packaging: Stored in original Siltronic plastic wafer carriers (4 carrier boxes)
- Lot labels and QC acceptance stickers present on carriers
- Country of Manufacture: Germany
Applications
Float-zone silicon wafers are produced by a zone-melting process that yields exceptionally high purity and very low concentrations of oxygen and carbon compared to standard Czochralski (CZ) wafers. This makes FZ wafers the preferred substrate for applications where carrier lifetime, minority carrier diffusion length, and precise resistivity control are critical. High-resistivity N-type FZ wafers in the (111) orientation are commonly used in power device fabrication — including high-voltage diodes, thyristors, and IGBTs — as well as in radiation detector development, neutron transmutation doping (NTD), solar cell research, and advanced MEMS structures. The 100mm diameter was the dominant wafer size in semiconductor fabs through the 1980s and 1990s, and 100mm FZ substrates remain in active use today in research institutions, university labs, national labs, and specialized device manufacturers that maintain 4-inch process lines. Researchers working in silicon photonics, particle physics detectors, and nuclear instrumentation also regularly specify high-resistivity FZ silicon for its superior bulk electrical properties.
These Siltronic 100mm FZ polished silicon wafers were ordered by a small semiconductor lab that closed operations over ten years ago. The wafers were never used and have been sitting in storage since that time. They remain in their original plastic carriers with Siltronic lot labels intact and QC acceptance stickers visible. We inspected the wafers and the carriers, and everything appears to be in good condition. Please view our photo set and contact us if you have any questions.
Warranty Information
Additional Information
Brand: |
Siltronic AG |
Model: |
FZ214N Z300 OHNCM |
MPN: |
FZ214N Z300 OHNCM |
SKU: |
53131 |
Type: |
Polished Silicon Wafer |
Wafer Grade: |
Semiconductor Grade |
Crystal Growth Method: |
Float Zone (FZ) |
Diameter: |
100mm (4 inch) |
Thickness: |
525 ± 20 μm |
Orientation: |
(111) / 1-1-1 |
Conductivity Type: |
N-Type |
Dopant: |
Phosphorus (PH) |
Resistivity: |
1725–2875 Ω·cm |
Surface Finish: |
Polished One Side (SSP) |
Quantity in Lot: |
50 wafers |
Packaging: |
Original plastic wafer carriers (4 boxes visible) |
Condition: |
New – Never Used, Inspected |
Country/Region of Manufacture: |
Germany |
Seller Notes: |
50 wafers in original carriers; never used; sourced from a closed semiconductor lab |
Condition Notes: |
Siltronic 100mm FZ silicon wafers — never used. Sourced from a semiconductor lab that closed 10+ years ago. Wafers remain in original carriers with Siltronic lot labels intact. Inspected and in good condition. |
