Crystal Boule Grinder from Japan
Precision grinder for semiconductor crystal boules, achieving exact diameter and flats for conductivity/resistivity indication before wafer slicing. HTS 8461.50.80.90 covers this as other machine tools for sawing/cutting-off by removing metal or cermets in wafer prep.
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 tolerance specs (<1 micron) to prove semiconductor application
• Use ISF filings early for high-value equipment to avoid penalties