Float Zone Crystal Grower from Germany
Float zone crystal growers use radio frequency heating to melt a narrow zone of polycrystalline silicon rod, allowing impurities to be zoned out while forming high-purity monocrystalline silicon for wafers. The process relies on localized heating and cooling for zone refining. Fits HTS 8419.89.95 for its temperature change processes in semiconductor material preparation.
Duty Rate — Germany → United States
14.2%
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 RF heating and zone melting to confirm classification
• Check for Section XVI notes on machines with integrated testing functions that may require Chapter 90
• Label as semiconductor-specific to leverage potential duty suspensions