Float Zone Crystal Grower from Germany
Centrifugal apparatus employing float zone method to purify and grow semiconductor crystals like silicon by melting a narrow zone and progressively moving it along the boule. Classified in HTS 8421.29.0065 for its liquid zone purifying function in semiconductor wafer production.
Duty Rate — Germany → 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
• Provide float zone process diagrams and impurity reduction specs to substantiate semiconductor classification
• Label as 'semiconductor crystal grower' to distinguish from general liquid filters
• Watch for reclassification if equipment handles non-semiconductor melts