Gallium Arsenide Wafer Lapping Filter Assembly
Filter part for lapping machines that flatten semiconductor wafers sliced from GaAs boules, ensuring surface flatness for fabrication. Falls under HTS 8421.99.0180 per statistical notes for wafer preparation equipment (a)(ii)(C). Removes lapping debris for defect-free wafers.
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Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If parts for general polishing or grinding machinery
Non-semiconductor lapping equipment parts classify differently in 8421.
If integrated into complete semiconductor wafer processing machines
Parts of finished machines for semiconductor fabrication in 8479.
If abrasive grinding media or articles
If misidentified as lapping consumables rather than machinery parts.
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Import Tips & Compliance
• Document compatibility with gallium arsenide materials to leverage statistical provisions
• Use manufacturer specs linking to wafer lappers/polishers in customs entry
Related Products under HTS 8421.99.01.80
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Semiconductor Wafer Slurry Filtration Housing
A filtration apparatus part designed for purifying abrasive slurries used in wafer slicing saws during semiconductor wafer preparation from crystal boules. Classified under HTS 8421.99.0180 as a filtering machinery part for liquids in semiconductor processing. It removes contaminants to prevent defects in sliced wafers.
Silicon Boule Float Zone Centrifugal Separator
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Wafer Polishing Slurry Gas Purifier Cartridge
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