Crystal Puller Drive Speed Changer from Japan
Variable speed mechanical transmission for Czochralski crystal pullers producing monocrystalline silicon boules. HTS 8486.40.70.00 applies to semiconductor manufacturing equipment per statistical notes. Controls precise pull rates for defect-free crystals.
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
• Documentation must reference Czochralski/float zone methods for proper statistical note
• Specify silicon/gallium arsenide crystal growth application
• Avoid generic classification missing semiconductor manufacturing duty rates