RF Heating Zone Refiner from Mexico
Radio frequency zone refiner for purifying semiconductor polycrystals into monocrystalline form via repeated zone passes. Used in float zone processes for ultra-high purity. Fits HTS 8468.80.5000 as gas-operated or high-temp apparatus for semiconductor tempering.
Duty Rate — Mexico → United States
10%
Rate breakdown
9903.05.5510%Except for products described in headings 9903.05.85–9903.05.92 and 9903.05.94, articles the product of Mexico, as provided for in U.S. note 52 to this subchapter
Import Tips
• Specify RF power levels and zone speeds for classification; export licenses often required
• Avoid general furnace classification by proving purity specs