Float Zone Crystal Grower RF Coil from Germany
A radiofrequency induction coil attachment for float zone crystal growers (heading 8429 machinery) used to melt and purify silicon rods into monocrystalline boules for wafers. It mounts directly on the grower apparatus to create the molten zone. Classified under 8431.49.9020 as an other attachment for semiconductor processing machinery.
Duty Rate — Germany → United States
15%
Rate breakdown
9903.82.2215%Derivative steel articles the product of Argentina, Ecuador, El Salvador, Guatemala, Japan, the Republic of Korea, Liechtenstein, Switzerland, Taiwan, the United Kingdom, or a member nation of the European Union, as provided for in subdivision (c)(xi) of U.S. note 16 to this subchapter
9903.05.900%Articles of aluminum, of steel or of copper or derivative aluminum or steel articles; passenger vehicles (sedans, sport utility vehicles, crossover utility vehicles, minivans and cargo vans) and light trucks; parts of passenger vehicles (sedans, sport utility vehicles, crossover utility vehicles, minivans and cargo vans) and light trucks; medium- and heavy-duty vehicles; parts of medium- and heavy-duty vehicles; wood products; patented pharmaceutical articles; and semiconductor articles, as provided in subdivision (f) of U.S. note 52 to this subchapter
Import Tips
• Provide evidence of principal use with float zone systems through technical datasheets
• Label with specific voltage/frequency matching 8429 machinery to prevent misclassification
• Avoid bulk shipments without segregation, as mixed coils may trigger general electrical parts review