Ingots & Bulk Sale
Semiconductor ingots, boules, and bulk substrate volumes for wafer manufacturers, R&D foundries, and high-volume production lines.
Overview
For customers operating their own wafering, grinding, and polishing lines, purchasing bulk ingots offers significant cost advantages over finished wafers. GINECHIP supplies silicon ingots, compound semiconductor boules, and bulk crystal material directly from crystal growth foundries — cutting out intermediate processing costs and providing maximum flexibility for your downstream manufacturing.
We bridge the gap between crystal growers and wafer manufacturers, offering full ingot certification (resistivity profile, lifetime mapping, crystallographic orientation verification) and flexible logistics for shipments ranging from a single R&D ingot to multi-ton production volumes.
Product Categories
Silicon Ingots
CZ Silicon Ingots
Czochralski-grown single-crystal silicon ingots for standard semiconductor and solar-grade applications. Available in all standard diameters with tight resistivity control.
- Diameter: 100mm–300mm (4″–12″), custom up to 450mm
- Type: P-type (Boron), N-type (Phosphorus/Antimony)
- Resistivity: 0.001–100 Ω·cm (CZ), wider ranges available
- Orientation: 〈100〉, 〈111〉, 〈110〉
- Oxygen: 12–18 ppma (ASTM F121), or customer-specified
- Carbon: < 0.5 ppma (standard), < 0.1 ppma (low-carbon)
- Lifetime: > 100 μs (standard), > 1000 μs (high-lifetime)
FZ Silicon Ingots
Float-zone refined ultra-high-purity silicon for power devices, detectors, and RF applications. Near-zero oxygen content with exceptional resistivity uniformity.
- Diameter: 100mm–200mm (4″–8″)
- Type: N-type (Phosphorus), P-type (Boron)
- Resistivity: 1–10,000 Ω·cm (N-type), 1,000–20,000+ Ω·cm (P-type)
- Oxygen: < 0.2 ppma
- Carbon: < 0.1 ppma
- Lifetime: > 1000 μs (standard), > 5000 μs (high-lifetime)
- Ideal for: IGBTs, power MOSFETs, RF PIN diodes, radiation detectors
Compound Semiconductor Boules
GaAs Boules
LEC or VGF-grown semi-insulating or doped GaAs single-crystal boules for RF and optoelectronic device manufacturing.
- Diameter: 2″–6″
- SI-GaAs (ρ > 10⁷ Ω·cm), N-type, P-type
- EPD: < 5×10³/cm² (LEC), < 500/cm² (VGF)
- Full boule or cropped sections available
InP Boules
LEC-grown Fe-doped semi-insulating or sulfur-doped N-type InP single crystals for photonics and mmWave applications.
- Diameter: 2″–4″
- SI-InP (Fe-doped), N-type (S-doped)
- EPD: < 5×10⁴/cm²
- Boule lengths up to 200mm
SiC Boules
PVT-grown 4H-SiC and 6H-SiC single-crystal boules. Tight micropipe density control for power device-grade material.
- Diameter: 100mm, 150mm
- 4H-SiC: N-type, SI, V-doped SI
- MPD: < 1/cm², premium < 0.1/cm²
- Full boule or sliced sections
Bulk Wafer Supply Program
For customers who need finished wafers at volume but want the economics of bulk purchasing, our Bulk Wafer Supply Program offers significant pricing advantages:
Volume Discount Tiers
- Tier 1: 25–100 wafers per lot
- Tier 2: 101–500 wafers per lot
- Tier 3: 501–2,000 wafers per lot
- Tier 4: 2,001+ wafers per lot (custom pricing)
Program Benefits
- Lot-level pricing with published discount structure
- Reserved production capacity with scheduled deliveries
- Dedicated account manager for large-volume accounts
- Custom packaging and labeling to your specifications
- Quarterly business reviews with continuous improvement
Supply Chain Services
- Vendor-Managed Inventory (VMI) programs
- Just-in-Time delivery with 48-hour lead time
- Regional warehousing (Asia, Europe, North America)
- Consignment stock arrangements available
Quality & Certification
Every ingot or boule ships with a comprehensive Certificate of Analysis including:
Need Bulk Material for Your Production Line?
Tell us your material, diameter, type, and volume requirements — we'll provide a competitive quote including delivery schedule and certification details within 24 hours.