Helical Gear for Float Zone Crystal Grower from Germany
High-precision helical gear utilized in float zone crystal growers for producing pure monocrystalline semiconductor boules from polycrystalline rods. Essential for precise speed control in the zone melting process of equipment under 8483.60.80. Meets statistical note for wafer manufacturing crystal growers.
Duty Rate — Germany → United States
27.8%
Rate breakdown
9903.82.0925%Except as provided for in headings 9903.82.16 and 9903.85.68, articles of copper and derivative aluminum and steel articles, as provided for in subdivisions (c)(vi)–(viii) of U.S. note 16 to this subchapter
9903.03.060%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; and semiconductor articles, of any country, as provided in subdivision (aa)(v) of U.S. note 2 to this subchapter
Import Tips
• Provide certification linking the gear to float zone equipment models used in silicon/gallium arsenide processing
• Label shipments clearly as 'semiconductor crystal grower parts' and include HTS hierarchy reference