Crystal Boule Grinder
Precision grinder that shapes semiconductor crystal boules to exact wafer diameters and grinds orientation flats indicating conductivity and resistivity. It uses controlled cooling/lubrication systems qualifying under HTS 8419.89.95.85 for wafer preparation equipment involving temperature management on other semiconductor materials.
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Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If considered honing or grinding machines for metal working
General precision grinding machines for hard materials fall under Chapter 84 honing/grinding headings.
If when part of complete wafer manufacturing line
Integrated semiconductor processing machines classified by function in 8486.
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Import Tips & Compliance
• Submit boule diameter specs and flat grinding documentation to prove semiconductor wafer prep function
• Avoid generic 'grinding machine' descriptions; specify semiconductor material processing to stay in 8419
Related Products under HTS 8419.89.95.85
Float Zone Crystal Grower
Equipment employing the float zone method to produce high-purity monocrystalline semiconductor boules through localized melting and resolidification zones. Classified under HTS 8419.89.95.85 for its heating and cooling processes on 'other materials' like silicon or gallium arsenide in semiconductor production.
Wafer Lapping Machine
Equipment that lap semiconductor wafers to achieve precise flatness and thickness uniformity using abrasive slurries and temperature-controlled platens. Classified in HTS 8419.89.95.85 for wafer preparation involving material treatment by temperature change on other semiconductor materials.
Gallium Arsenide Wafer Grinder
Specialized grinder for back-thinning GaAs compound semiconductor wafers to device fabrication thicknesses with integrated cooling systems. Specifically HTS 8419.89.95.85 for 'other materials' (non-silicon) wafer preparation equipment.
Silicon Carbide Wafer Polishing Station
Temperature-controlled polishing station for SiC wafers used in power electronics, featuring high-temperature slurries and precise thermal management. Classified HTS 8419.89.95.85 as wafer prep for other semiconductor materials beyond silicon/GaAs.
RF Zone Refiner for Semiconductors
Radio frequency zone refining furnace for ultra-purification of semiconductor rod materials through repeated melting/solidification passes. Falls under HTS 8419.89.95.85 for temperature treatment equipment processing other semiconductor materials.
Edge Grinding Machine for Wafers
Automated edge profiling and grinding machine for semiconductor wafers to prevent chipping during handling, with coolant temperature regulation. HTS 8419.89.95.85 for wafer preparation cooling processes on other materials.