Crystal Grower Crucible Rotation Mechanism from Mexico
Motorized rotation drive for quartz crucibles in Czochralski crystal pullers, ensuring uniform dopant distribution during silicon ingot growth. Critical for consistent resistivity across boule diameter. Part of 8479.89.10 crystal growers under 8479.90.41.00.
Duty Rate — Mexico → United States
10%
Rate breakdown
9903.05.5510%Section 301 (forced labor) — additional 10% ad valorem on products of Mexico
Import Tips
• Specify rotation speed range (0-30 RPM) and crucible size compatibility,Include temperature rating (up to 1450°C for silicon CZ process),Distinguish from general motors under 8501