Silicon Wafer Lapper from Japan
Wafer lappers use loose abrasives to achieve flatness tolerances on silicon wafers prior to polishing. Classified HTS 8474.80.0080 for grinding/lapping solid semiconductor mineral substances. Meets statistical note for wafer preparation equipment.
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%
Import Tips
• Certify flatness specs (e.g
• <1μm TTV) proving semiconductor precision
• Include abrasive slurry system documentation
• Distinguish from metal lapping; specify silicon/gallium arsenide compatibility