RF Heating Zone Refiner from Japan
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 — Japan → United States
12.5%
Rate breakdown
9903.05.4912.5%Except for products described in headings 9903.05.85–9903.05.92, articles the product of Japan, with an ad valorem (or ad valorem equivalent) rate of duty under column 1 less than 12.5 percent, 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