Sapphire Wafer Grinder
Precision grinder for synthetic sapphire wafers used in LED epitaxy and RF devices, grinding to optical tolerances. Classified under HTS 8464.20.0120 for grinding machines working hard mineral materials like corundum (sapphire). Prepares substrates for epitaxial growth in optoelectronics.
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Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If dedicated for sapphire substrate processing in semiconductors
Sapphire wafer prep for epitaxy covered by semiconductor manufacturing machinery provisions.
If optical-grade sapphire polishing
High-precision polishing for optical applications shifts to Chapter 90.
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Import Tips & Compliance
• Include Mohs hardness specs confirming sapphire compatibility; reference LED/compound semiconductor applications; verify cleanroom compatibility certifications
Related Products under HTS 8464.20.01.20
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Precision grinding machine used to grind semiconductor crystal boules to exact diameters and flats indicating conductivity type and resistivity, as per statistical notes for wafer manufacturing equipment. Classified under HTS 8464.20.0120 as a grinding machine for mineral materials like silicon crystals. Essential for preparing monocrystalline boules before wafer slicing in semiconductor production.
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