Wafer Lapping Plate from Japan
Cast iron or copper lapping plate used in wafer grinders/lappers to achieve flatness tolerances under 1 micron for semiconductor wafers prior to fabrication. Surface-engineered for 8456.30 machine tools dedicated to printed circuit manufacturing processes. Maintains parallelism critical for subsequent photolithography alignment.
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
• Document surface flatness specifications proving semiconductor use; ensure plate material certification; check for REACH compliance on plating materials