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AMAT 0020-05871

  • Brand & Part Number: Applied Materials (AMAT) 0020-05871
  • Product Name: Quartz Gas Distribution Plate
  • Product Description: A high-purity quartz plate engineered for uniform gas distribution in semiconductor process chambers. It features precision-drilled holes to ensure laminar gas flow across the wafer surface, enhancing process uniformity during deposition.

Detailed content

  • Technical Specifications:
    • Material: High-purity synthetic fused silica (SiO₂ ≥ 99.999%)
    • Dimensions: 280mm diameter × 6mm thickness
    • Hole Pattern: 300+ precision-drilled 0.8mm diameter holes
    • Surface Finish: Fire-polished (Ra ≤ 0.5μm)
    • Maximum Operating Temperature: 1100°C
    • Thermal Expansion Coefficient: 5.5×10⁻⁷/°C
    • Trace Metal Content: < 1ppb
  • Functional Features:
    • Ultra-high purity prevents contamination of sensitive wafer processes
    • Optimized hole geometry ensures uniform gas distribution
    • Excellent chemical resistance to all semiconductor process gases
    • Low thermal expansion maintains dimensional stability at high temperatures
    • Non-porous surface minimizes particle entrapment
    • Transparent to infrared for process monitoring and thermal profiling
  • Applications:
    • Gas distribution in PECVD and LPCVD chambers
    • TEOS oxide and silicon nitride deposition processes
    • AMAT Centura WxZ/CxZ deposition platforms
    • Processes requiring uniform precursor gas delivery

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