Semiconductor Wafer Crystal Grinder-Slotter from Japan
Combined crystal grinder and slotter that grinds semiconductor crystal boules to diameter while slotting flats indicating conductivity type, per statistical note (a)(ii)(A). HTS 8461.20.80 for 'other' slotting/shaping machines working cermets in semiconductor manufacturing. Essential first step after crystal pulling.
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
• Reference statistical note (a)(ii)(A) explicitly in import declarations for crystal grinders
• Cleanroom classification (ISO 3-5) certification mandatory for semiconductor equipment
• Particle generation test data prevents Chapter 90 medical instrument misclassification