Sapphire Wafer Grinding Machine
Heavy-duty grinder for synthetic sapphire (Al2O3) wafers used in LED and power electronics substrates. Fits HTS 8474.80.0015 as grinding machinery for solid mineral substrates.
Import Duty Rates by Country of Origin
Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If hard material grinders
General hard ceramics if semiconductor application undocumented.
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Import Tips & Compliance
• Specify Mohs hardness handling capability (sapphire=9)
• Document substrate vs. device wafer distinction
Related Products under HTS 8474.80.00.15
Crystal Boule Grinder
Precision grinder that shapes semiconductor crystal boules to exact diameters and grinds orientation flats indicating conductivity and resistivity. HTS 8474.80.0015 applies as grinding machinery for solid mineral substances in semiconductor preparation.
Gallium Arsenide Wafer Grinder
Specialized grinder for back-thinning compound semiconductor wafers (GaAs) to precise thicknesses for optoelectronic applications. Fits HTS 8474.80.0015 as grinding machinery for solid mineral semiconductor substances.
Wafer Edge Profiling Grinder
Precision grinder creating rounded wafer edges to prevent chipping during handling and processing. Classified under HTS 8474.80.0015 for grinding semiconductor mineral wafers.
CMP Wafer Polishing Platform
Chemical Mechanical Planarization platform for final wafer surface polishing to atomic flatness before circuit fabrication. Though primarily polishing, classified HTS 8474.80.0015 when configured for initial crystal polishing.
Ingot Cropping Saw
Band saw that precisely crops the ends of silicon ingots to square orientation before main grinding. Classified HTS 8474.80.0015 for initial shaping of solid mineral ingots.
Czochralski Crystal Puller
A Czochralski method machine used to grow monocrystalline silicon boules from molten semiconductor material by precisely pulling and rotating a seed crystal. It falls under HTS 8474.80.0015 as machinery for shaping or molding mineral substances in solid form, specifically for processing semiconductor crystal growth classified as a mineral product.