Monocrystalline silicon wafer
Engineered for absolute replication. Trusted for advanced physics. Tailored specifically for the stringent requirements of semiconductor and optical research, our monocrystalline silicon wafers guarantee a reliable foundation free from structural lattice dislocations. Featuring sub-nanometer surface roughness and tightly constrained Total Thickness Variation (TTV), our substrates empower breakthrough developments in sub-micron integrated circuit architectures, deep reactive-ion etching (DRIE) for MEMS, and high-transmission lens fabrication for the infrared optics spectrum.
- Custom geometry & 1-pc MOQ: Round, square, or rectangular wafers from 1x1 mm to 310x310 mm (thickness 100 μm to 50 mm) precision-machined to your exact blueprints.
- Custom resistivity tuning: Available from ultra-low to ultra-high ranges (< 0.001 to > 10,000 Ω·cm) to eliminate electrical testing variables.
- Ultra-thin wafer processing: High-precision slicing down to ≤ 100 μm with tight TTV control to prevent edge chipping, bow, and warp during post-processing.
- Global supply experience: Top universities, research labs, and leading fabs worldwide trust our monocrystalline silicon wafers for low-volume prototyping.
- Surface Perfection: < 0.5 nm RMS roughness achieved via industry-standard CMP polishing.
Choose Your Solution by Application
Integrated Circuits (ICs) & Discrete Devices
- The Problem: Inconsistent radial dopant profiles and lattice microcracks cause unexpected electrical resistance variations and device drift across your wafer batch.
- Our Solution: We provide Prime and Test grade CZ or MCZ wafers with highly uniform radial dopant distribution. Available in heavily doped or lightly doped variants to perfectly match your solid-state architectures.
- Doping Options: N-type (Phosphorus, Antimony, Arsenic) or P-type (Boron, Gallium).
MEMS & Microfabrication Structures
The Problem: Unpredictable etching angles and substrate warping that lead to lithography focus errors and high device failure rates during DRIE (Deep Reactive-Ion Etching).
Our Solution: Substrates engineered with precise crystal orientation control (±0.5° tolerance) and tight Total Thickness Variation (TTV). Our perfect monolithic lattice alignment guarantees highly predictable anisotropic etching results.
Orientations: <100>, <110>, <111>, and high-index custom orientations like <211>.
Infrared (IR) Optical Components
The Problem: Subsurface mechanical stress and material impurities causing high absorption and signal loss in the infrared spectrum.
Our Solution: We precision-fabricate optical windows, custom prisms, and reflector lenses. Polished single-crystal silicon serves as an exceptional reflector of both visible and IR wavelengths, making it ideal for laser scanners, astronomic mirrors, and controlled microscopic arrays.
Value-Added Optics Processing: Custom reflective/anti-reflective coatings designed to specification.
Next-Gen Photovoltaics (PV) & Green Energy
The Problem: Substrate degradation and efficiency loss under high-radiation or prolonged thermal stress.
Our Solution: High-efficiency P-type and N-type solar monocrystalline silicon wafers. We supply specialized <110> orientations featuring ultra-low oxygen and carbon content to maximize carrier lifetime, as well as flexible ultra-thin substrates optimized for high-yield, flexible cell assembly.
Why Supwafer Wafer Separators?
High Gloss and No Powder Shedding
Supwafer’s wafer separators deliver critical surface performance with high gloss and no powder shedding, engineered for precision semiconductor processing. The high-gloss finish ensures ultra-smooth wafer contact, preventing micro-abrasions on sensitive substrates like SiC and enhancing inspection accuracy. Its no-powder-shedding design, via wear-resistant materials and precision coatings, eliminates particle contamination—critical for advanced nodes and high-reliability devices—while meeting SEMI cleanroom standards to safeguard yield and process integrity.
Different shapes of wafer separators
Round Wafer Separators
- Contour-Matched Handling: Circular surfaces distribute pressure evenly, reducing warpage in thin (≤50μm) substrates.
- Radial Control: Optimized concentric separation paths align with dicing saw needs for full-wafer processing.
- Edge Protection: Rounded tooling prevents micro-cracks in brittle materials (e.g., SiC), boosting die yield.
- Standard Compatibility: Pre-calibrated for standard circular sizes, cutting setup time in fabs.
Square Wafer Separators
- Corner Stress Reduction: Reinforced tooling at corners minimizes chipping in square substrates, a key issue in angular wafer processing.
- Edge-to-Edge Uniformity: Linear separation paths optimize alignment for square-specific dicing patterns, common in display and sensor fabrication.
- Custom Fit for Square Formats: Pre-configured for standard square sizes, cutting setup time in PCB and optoelectronic production lines.
- Rigid Edge Support: Enhanced clamping at straight edges prevents flexing in thin square wafers, vital for GaN-based power device manufacturing.
Supwafer is a wafer separator factory from China. If you are interested in wholesaling wafer separators, please feel free to contact us to get the wholesale pricelist.
Applications
1. Semiconductor Fabrication
Prevent wafer-to-wafer contact in cassettes, FOUPs and carriers during high-temperature diffusion, implantation or cleaning.
2. Thin Wafer Handling
Ideal for MEMS, advanced packaging and 3D integration where ultra-thin wafers need mechanical support.
3. Compound Semiconductor & Sapphire
Protect expensive GaAs, SiC and sapphire wafers during grinding, polishing, lapping and shipping.
4. Photonics & Optoelectronics
Maintain scratch-free surfaces on optical substrates and filters.
Key Features & Specifications
Technical Details
Material Science: We use high-purity polymers with low ionic contamination; for high-temperature applications fused quartz separators are available.
ESD Safety: Each batch tested using ANSI/ESD STM11.11; surface resistivity reports attached to CoA.
Thickness & Flatness Control: Separator thickness tolerance as tight as ±5 µm measured by non-contact metrology.
Cleanroom Compliance: Particle generation tested per IEST-STD-CC1246.
Customization: Edge profiles, hole patterns, and anti-slip textures can be specified.
How to Choose the Right Wafer Separator?
Match Wafer Diameter – 100, 150, 200, 300 mm or custom.
Select Material & Temperature Rating – polymer vs. fused quartz.
Define Surface Resistivity – 10³–10⁹ Ω/sq for dissipative, >10¹¹ Ω/sq for insulating.
Specify Thickness Tolerance & Flatness – especially for ≤50 µm thin wafers.
Request Test Data – Supwafer provides CoA, surface resistivity maps and particle counts.
Faqs:
1. What wafer sizes are compatible with Wafer Separators?
2. Are Wafer Separators compatible with cleanroom environments?
3. How do I choose the right Wafer Separator for my application?
4. What is the typical throughput of a Wafer Separator?
5. Can Wafer Separators handle thin or fragile wafers?
6. What maintenance is required for Wafer Separators?
7. Can Wafer Separators be integrated with automated production lines?
8. How do Wafer Separators handle warped or non - flat wafers?
9. Are there eco - friendly Wafer Separator options?
10. Can Wafer Separators be used for all semiconductor materials?
11. How thick are Wafer Separators?
12. Do Wafer Separators affect wafer flatness?
13. How should Wafer Separators be stored?
14. Can Wafer Separators be reused?
15. How do Wafer Separators prevent wafer damage?
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