Crystal Puller Crucible Rotation Drive Unit from Japan
Drive mechanism that rotates the quartz crucible during Czochralski silicon growth to ensure crystal quality uniformity. Parts of metal treating/melting machines under HTS 8479.90.95.65.
Duty Rate — Japan → United States
10%
Rate breakdown
9903.03.0110%Except for products described in headings 9903.03.02–9903.03.11, articles the product of any country, as provided for in subdivision (aa) of U.S. note 2 to this subchapter
Import Tips
• Specify rotation speed range (0-30 RPM) and torque requirements
• Include magnetic coupling specifications for vacuum environment operation
• Document alignment tolerances for crucible centering