Ion Pump Magnet Assembly from Mexico
Permanent magnet arrays for sputter ion pumps in ultra-clean vacuum for semiconductor wafer polishers. Under HTS 8414.90.91.40 as parts of vacuum pumps processing semiconductor wafers to flatness tolerances. Provides ionizing magnetic field without hydrocarbons.
Duty Rate — Mexico → United States
10%
Rate breakdown
9903.05.5510%Section 301 (forced labor) — additional 10% ad valorem on products of Mexico
Import Tips
• Specify rare-earth magnet grades (e.g
• NdFeB) and field strength
• Magnetic shielding certs prevent hazmat declarations