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Float Zone (FZ) High-Resistivity Silicon Substrates

Float Zone (FZ) high-resistivity silicon substrates — bulk resistivity, diameter and crystal orientation by enquiry.
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Price, minimum order, and lead time on request. The confirmed specification and individual quotation govern the offer.
Logistics fulfillment via contracted freight providers; delivery terms as agreed in quotation.
TECHNICAL SPECIFICATION · IGN-B10

Technical Data & Commercial Terms

Category: Pillar B: Digital Foundation Materials · Commercial Status: Allocation / Inquiry-Only

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1. Physical & Chemical Specification

PropertyTechnical Specification / Nominal Parameter
Growth MethodFloat Zone (FZ) monocrystalline silicon
Diameter100 mm / 150 mm / 200 mm
Bulk Resistivity> 1,000 to > 10,000 Ω·cm (Ultra-high resistivity)
Minority Carrier Lifetime≥ 1000 µs (High recombination lifetime)
Interstitial Oxygen (Oi)< 1.0 x 10¹⁶ atoms/cm³ (Extremely low oxygen)
ApplicationHigh-voltage power devices (IGBTs, Thyristors), RF silicon, detectors

2. Customs & Standards Compliance

  • EU Tariff (TARIC / HS Code): 3818 00 10 (Silicon Wafers, Doped/Polished)
  • Standards & Test Methods: SEMI Standards, ASTM F84
  • Quality Certificates: Carrier lifetime map, four-point probe resistivity profile, EN 10204 3.1
  • ℹ️ Customs classification, origin information and applicable documentation are confirmed for the specified product and transaction. Available inspection and compliance documents are listed in the quotation. Any applicable CBAM obligations depend on the product classification and import arrangement.

3. Procurement & Logistics Parameters

  • Minimum Order Quantity (MOQ): 25 wafers
  • Standard Packaging: Cleanroom cassette in vacuum sealed foil
  • Typical Lead Time: 3–4 weeks batch allocation
  • Delivery Incoterms (2020): DDP European customer fab
  • Hazardous Materials Status: Non-hazardous solid semiconductor
Quality Assurance & Assays: Inspection certificates (e.g. EN 10204 3.1) and accredited independent assayer reports (e.g. SGS / Alfred H Knight) are provided per contract specification and agreed order terms. EU REACH and statutory documentation are aligned during quotation.