Float Zone Crystal Furnace from Mexico
Float zone crystal furnaces use the float zone method to produce high-purity monocrystalline semiconductor boules without crucibles, ideal for silicon and gallium arsenide. The apparatus melts and recrystallizes a narrow zone along the boule. Falls under HTS 8442.30.0150 as other equipment for preparing printing components, with application to semiconductor wafer precursors.
Duty Rate — Mexico → 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
• Include process flow diagrams showing float zone method to distinguish from Czochralski pullers during customs review
• Declare RF power supply components separately if modular to prevent overvaluation
• Comply with vacuum system certifications for high-purity inert gas operations