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.
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Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If adapted for silicon wafers instead
Silicon-specific wafer prep equipment has dedicated statistical breakout.
If for compound semiconductor testing grinders
Certain testing apparatus for semiconductors in Chapter 90.
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Import Tips & Compliance
• Explicitly declare GaAs/compound semiconductor use to qualify for 'other materials' subheading
• Include material safety data for gallium compounds in shipping docs
• Silicon versions use 8419.89.9580; ensure material specificity prevents misclassification
Related Products under HTS 8419.89.95.85
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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.
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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.
Double-Sided Wafer Lapper
Simultaneous double-sided lapping equipment for semiconductor wafers achieving sub-micron thickness uniformity through synchronized temperature-controlled platens. Classified under HTS 8419.89.95.85 for advanced wafer preparation on other materials.