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Fused Quartz Vacuum Chucks & Handling Plates
Our precision custom Fused Quartz vacuum chucks, plates, and handling fixtures are engineered for demanding applications in semiconductor wafer processing, etching, and other high-tech industries. Crafted from high-purity Fused Quartz, these components ensure contamination-free, scratch-free handling, offering exceptional thermal stability and chemical inertness for reliable performance in vacuum and high-temperature environments
Basic Dimensions
- Outer Diameter (OD): 300.0 mm ±0.1
- Inner Diameter (ID): 210.0 mm ±0.1
- Height (H): 6.35 mm ±0.05
Material Properties
- Base Material: Al₂O₃ (Alumina Ceramic) / Optional: ZrO₂, Si₃N₄
- Density: ≥3.90 g/cm³
- Flexural Strength: ≥350 MPa
- Thermal Conductivity: 24-30 W/(m·K)
- Dielectric Strength: ≥15 kV/mm
Tolerance & Surface Quality
- Concentricity: ≤0.05 mm (OD vs. ID)
- Parallelism: ≤0.03 mm (Top/Bottom Surfaces)
- Surface Roughness: Ra ≤0.4 μm
Key Performance Tests
- Dimensional Inspection: Per ISO 286-2
- Leakage Rate Test: ≤1×10⁻⁹ mbar·L/s (Helium Mass Spectrometry)
- Thermal Shock Resistance: ΔT ≥300°C (5 cycles, no cracks)
Applications
- Semiconductor Processing: Vacuum chambers, Plasma etching components
- High-Temperature Environments: ≤1600°C (Material-Dependent)
Packaging & Handling
- Cleanroom Packaging: Class 100 or better
- Anti-Static: ESD-safe containers
Compliance Statement
Meets SEMI F47-0706 (Ceramic Components for Semiconductor Equipment)
Disclaimer
Customization available upon request. Critical parameters marked with “□” require explicit confirmation.