Ion Pump Magnet Assembly
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.
Import Duty Rates by Country of Origin
Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If imported without pump mounting features
Separate permanent magnets head to Chapter 85.
If for crystal grower ionization
Stats note covers ion pump parts in boule production.
If part of complete deposition machine
Integrated machine components under machines NESOI.
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Import Tips & Compliance
• Specify rare-earth magnet grades (e.g
• NdFeB) and field strength
• Magnetic shielding certs prevent hazmat declarations
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Gate Valve Actuator for Vacuum Pumps
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