Semiconductor Wafer Polishing Platen
Rotary platen assembly for wafer polishers that create mirror-finish surfaces on semiconductor wafers prior to device fabrication. Maintains flatness critical for photolithography overlay. Classified under 8479.90.41.00 as part of wafer polishers in 8479.89.10.
Import Duty Rates by Country of Origin
Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If general polishing machines
Chapter 84 machine tools for polishing metal/glass, excluding semiconductor-specific equipment
If complete polishing machine instead of part
If imported as complete functioning polisher rather than replacement part
Not sure which classification is right?
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Import Tips & Compliance
• Document surface flatness specs (bow/warp <20nm) and polishing pad compatibility,Include cleanroom compatibility certification (ISO Class 1-3),Not classifiable as general polishing equipment under 8460
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