RF Zone Refiner for Semiconductors from Japan
Radio frequency zone refining furnace for ultra-purification of semiconductor rod materials through repeated melting/solidification passes. Falls under HTS 8419.89.95.85 for temperature treatment equipment processing other semiconductor materials.
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
• Document purity improvement specs (ppb levels) proving semiconductor material refining
• Include RF power and zone travel control parameters
• Distinguish from metallurgical zone refiners lacking semiconductor purity specs