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AMAT 0020-29750 Ceramic Chamber Liner

Product Description: A high-purity ceramic liner designed to protect 200mm process chamber walls from plasma erosion and chemical contamination. It provides a chemically inert, low-particle surface for advanced semiconductor manufacturing processes, extending chamber maintenance intervals.

Technical Specifications:

  • Material: 99.6% high-purity alumina (Al₂O₃)
  • Density: > 3.9 g/cm³
  • Dielectric Strength: > 15kV/mm

Detailed content

  • Maximum Operating Temperature: 1700°C
  • Thermal Conductivity: 30 W/m·K at 25°C
  • Surface Finish: Ra < 0.8 μm (polished interior)
  • Dimensions: 300mm diameter × 250mm height (200mm chamber compatible)
  • Coating: Optional yttria (Y₂O₃) coating for enhanced plasma resistance
  • Weight: 7.2 kg

    Functional Features:

  • Exceptional resistance to fluorine and chlorine plasma erosion
  • Ultra-low particle generation for Class 1 cleanroom compatibility
  • Excellent thermal stability at extreme process temperatures
  • High dielectric strength for electrical isolation from chamber walls
  • Precision-machined for perfect fit in AMAT 200mm chambers
  • Easy installation and removal for maintenance
  • Long service life, reducing chamber cleaning frequency

    Application Scenarios:

  • 200mm etch chamber liners for dielectric and metal etch
  • PVD chamber shields for physical vapor deposition processes
  • ALD chamber components for atomic layer deposition
  • Plasma cleaning chamber liners for chamber maintenance
  • High-temperature annealing chamber components

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