Silicon Wafer Polishing Machine
A silicon wafer polishing machine uses chemical-mechanical planarization (CMP) to create mirror-finish wafer surfaces for semiconductor lithography. It brings wafers to final tolerances before fab processing. Classified in HTS 8486.10.00.00 as wafer preparation apparatus.
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Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If used in post-polish device etching/processing
Moves to semiconductor device manufacture apparatus after wafer prep.
If centrifugal polishing for non-semi parts
General centrifugal apparatus in 8421, not boule/wafer specific.
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Import Tips & Compliance
• Provide CMP slurry compatibility details to confirm wafer-specific design
• Include cleanroom class ratings (e.g
• ISO 3) in technical files
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