Float Zone Crystal Furnace Crucible Support from Japan
Ceramic or quartz support assembly for crucibles in float zone semiconductor crystal growth furnaces, operating nonelectrically via RF induction heating. Classified under HTS 8417.90.00.00 as parts of nonelectric industrial furnaces used in semiconductor material processing. Provides precise positioning during zone melting for ultra-pure silicon production.
Duty Rate — Japan → United States
13.9%
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
• Include float zone process specifications in documentation; confirm nonelectric furnace classification vs induction heating equipment; watch for misclassification as laboratory glassware under Chapter 70