Vapor Turbine for Wafer Polishing
Steam turbine powering chemical mechanical planarization (CMP) polishers for semiconductor wafer surface finishing. HTS 8406.82.90.00 applies to this other turbine in wafer preparation equipment.
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Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If centrifugal liquid filtering for slurry
CMP slurries use filters classifiable separately in 8421.
If polishers with integrated metrology
Testing equipment for wafer flatness post-polish.
If as part of broader wafer fab tools
Unspecified semiconductor processing apparatus catch-all.
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Import Tips & Compliance
• Describe CMP slurry flow and platen rotation specs
• Ensure classification excludes testing polishers in Chapter 90
• Include removal rate data for process validation
Related Products under HTS 8406.82.90.00
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