8-inch 200mm Dummy Grade Silicon Wafer - High Precision from China Suppliers and Factory for Advanced Processes
Core Highlights
Japanese Quality Assurance
Key products are sourced from our Japanese partner facility, ensuring top-tier performance for critical tools.
Advanced Application Support
Essential for carrier wafer applications and new tool qualification in 200mm fabs.
Superior Surface Properties
Excellent flatness and low particle counts for use in sensitive semiconductor processes.
Dedicated Processing
Each order undergoes a dedicated QA and fulfillment cycle to meet the higher standards of advanced fabs.
Parameter Specifications
| Grow Method | Type | Dopant | Resistivity | RRV | Orientation | Slice Orientation | Diameter Tolerance | Primary Flat Location | Primary Flat Length | Thickness | TTV | Warp | Bow | Front Side | Backside |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| CZ | P | Boron | 0-100 Ω·CM | 12% | <100> | ±1° | 200±0.2mm | <110>±1° | / | 725±25um | ≦30um | ≦40um | ≦40um | Polished | Etched |
Frequently Asked Questions (FAQ)
1. Where are these silicon wafers manufactured?
Our key silicon wafer products are sourced directly from our partner facility in Japan, ensuring top-tier quality assurance and reliable performance for critical semiconductor tools.
2. What are the primary applications for these 200mm wafers?
These wafers are specifically designed and essential for carrier wafer applications as well as new tool qualifications within 200mm fabrication facilities (fabs).
3. What are the surface finish specifications for the front and back sides?
The wafers feature a polished front side and an etched backside, providing superior surface properties with excellent flatness and low particle counts suitable for sensitive processes.
4. What are the resistivity and thickness tolerances of these wafers?
These P-type (Boron-doped) CZ wafers feature a resistivity range of 0-100 Ω·CM, a thickness of 725±25µm, and a Total Thickness Variation (TTV) of ≦30µm.
5. How is quality control managed for wafer orders?
Each order undergoes a dedicated quality assurance (QA) and fulfillment cycle. This tailored process ensures the final products comply with the strict, high-level standards required by advanced fabs.



