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%Except for products described in headings 9903.05.85–9903.05.92, articles the product of Japan, with an ad valorem (or ad valorem equivalent) rate of duty under column 1 less than 12.5 percent, as provided for in U.S. note 52 to this subchapter
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