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Semiconductor Gas Distribution Rings
Silicon rings are critical components in semiconductor dry etching systems, designed to ensure precise wafer handling and plasma confinement during the etching process. Crafted from high-purity silicon (≥99.99999%) , these rings provide exceptional thermal stability, chemical resistance, and dimensional accuracy. They play a pivotal role in maintaining chamber integrity, protecting wafer edges from damage, and optimizing etching uniformity in plasma-based processes.
 
Our silicon rings are engineered for dry etching and plasma etching applications, supporting 8-inch and 12-inch wafers in logic IC, memory, and power semiconductor manufacturing. Features include:
  • Precision Machining: Ultra-smooth surfaces (Ra ≤ 0.1μm) and tight tolerances (±10μm) for seamless integration.
  • Material Innovation: CVD SiC coatings enhance durability in aggressive etching environments.
  • Compliance: Meet international standards (e.g., GB/T 41652-2022) and SEMI specifications for semiconductor equipment.
Ideal for etch tool manufacturers and fabs, our silicon rings ensure reliable performance, reduce downtime, and improve yield in advanced semiconductor production.

Technical Parameters

No.CharacteristicUnitSpec
1Purity%>6N
2Material/Mono / Poly
3Diameter scalemm0~600 / Customizable
4Type/Contains/P type/ N type
5ResistivityΩ•cm3<0.02 / 1~4 / 60~90
6Crystal Orientation/(100)、(111)、(110)
7Dopant/B、P、Ga、As、Sb
8Surface treatment/Polishing
Ultra-High Temperature Silicon Rings

Technical Advantages

  1. Ultra-High Purity Silicon Material:Manufactured with 99.9999% purity silicon, ensuring minimal contamination and compatibility with sensitive semiconductor processes.

  2. Establishment of Plasma Etching Condition: silicon ring is designed to establish optimal plasma etching conditions. This ensures precise and efficient etching processes, making silicon rings essential silicon components in advanced semiconductor manufacturing.

  3. Precision Gas Flow Optimization:Advanced geometric design enables uniform gas distribution, reducing etch rate variation to less than ±2% across the wafer.

  4. Use as Electrodes for RF Units: The silicon ring from Jingge can be used as electrodes for RF units. This versatility enhances its functionality in various high-frequency applications, providing reliable performance and stability.

  5. Control Sidewall Damage and Improve Etching Aspect Ratios: silicon ring effectively controls sidewall damage of reactive substances. It improves etching aspect ratios and optimizes etching surfaces, resulting in higher precision and better-quality outcomes in etching processes.

  6. Improve Uniformity and Yield of Silicon Wafer Edges: The silicon ring from significantly improves the uniformity and yield of silicon wafer edges. This enhancement leads to higher overall efficiency and productivity in semiconductor fabrication.