Float Zone Crystal Grower from Germany
Float zone crystal growers use a floating molten zone to purify and grow monocrystalline semiconductor ingots, particularly for high-resistivity silicon wafers. Classified under HTS 8454.30.00.90 as other casting machines in metallurgy for semiconductor boule production.
Duty Rate — Germany → United States
10%
Rate breakdown
9903.05.3910%Except for products described in headings 9903.05.85–9903.05.92 and 9903.05.97, articles the product of a member state of the European Union, with an ad valorem (or ad valorem equivalent) rate of duty under column 1 less than 10 percent, as provided for in U.S. note 52 to this subchapter
Import Tips
• Document float zone process specs to distinguish from standard foundry casters
• Ensure cleanroom compatibility certifications for semiconductor import eligibility