Czochralski Crystal Puller Furnace from Japan
A high-temperature furnace used in the Czochralski method to grow monocrystalline silicon boules for semiconductor wafers. It is a part of crystal grower and puller machinery classified under heading 8429 as specialized ship unloading equipment adapted for semiconductor processing. Falls under 8431.49.90 as other parts for heading 8430 machinery.
Duty Rate — Japan → 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
• Verify equipment is solely for semiconductor crystal growth to qualify under statistical notes; provide manufacturer specs and end-use certification
• Common pitfall: misclassification as general lab furnaces under 8514
• Watch for dual-use restrictions