Crystal Boule Grinder from Japan
Precision crystal grinder that shapes semiconductor boules to exact diameters and grinds flats indicating conductivity type for wafer preparation. HTS 8448.20.50 classification as parts/accessories of heading 8444 auxiliary machinery for semiconductor processing. Ensures wafers meet strict dimensional 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%
Import Tips
• Document flat-grinding function for conductivity indication to prove semiconductor-specific use
• Maintain calibration certificates showing micron-level precision required for wafers