8483.40.70.00/Wafer Lapping/Polishing Speed Controller/Japan

Wafer Lapping/Polishing Speed Controller from Japan

Mechanical speed changer maintaining constant surface speed during semiconductor wafer lapping/polishing. Statistical note (a)(ii)(C) coverage under HTS 8486.40.70.00. Critical for wafer flatness within nanometer tolerances.

Duty Rate — Japan → United States

12.5%

Rate breakdown

9903.05.4912.5%Section 301 (forced labor) — Japan (col1 rate < 12.5 percent): MFN < 12.5% → total duty capped at 12.5%

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Import Tips

• Cite statistical note reference for lappers/polishers

• Flatness tolerance specs (bow/warp) justify semiconductor use

• Slurry compatibility documentation for process verification