Float Zone Crystal Boule Grinder from Japan
Grinding apparatus for float zone monocrystalline semiconductor boules, creating precise flats indicating resistivity. Classified in HTS 8474.20.00 for grinding solid mineral substances in semiconductor production. Prepares crystals for wafer slicing by achieving dimensional accuracy.
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
• Provide crystal growth method certification (float zone) to distinguish from general stone crushers
• Label as 'mineral substance grinding machine' to align with HTS heading language
• Check for dual-use restrictions if adaptable to non-semiconductor minerals