Semiconductor Wafer Handling Chuck
Vacuum or electrostatic chuck for precise wafer holding during grinding, lapping, and polishing in 8472.90.50 machines. Features porous ceramic surface for uniform vacuum distribution. HTS 8473.40.41.00 for semiconductor-specific parts.
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Import Tips & Compliance
• Specify chuck diameter (200/300/450mm) and holding force specs for wafer size
• Provide porosity and material certs (aluminum oxide ceramic) for classification
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Czochralski Crystal Puller Heater Element
A graphite or molybdenum heater element designed specifically for Czochralski crystal growers used in semiconductor wafer production, falling under machines of 8472.90.50. It provides precise high-temperature control for pulling monocrystalline silicon boules. Classified as a part of semiconductor manufacturing equipment in HTS 8473.40.41.00.
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Wafer Grinder Diamond Wheel
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