Semiconductor Ingot Casting Furnace from Japan
High-vacuum ingot casting furnaces melt and control crystallization of silicon or gallium arsenide for semiconductor boule formation in metallurgical processes. Falls under HTS 8454.30.00.90 as other casting machines specialized for semiconductor metallurgy.
Duty Rate — Japan → United States
12.5%
Rate breakdown
9903.05.4912.5%Except for products described in headings 9903.05.85–9903.05.92, articles the product of Japan, with an ad valorem (or ad valorem equivalent) rate of duty under column 1 less than 12.5 percent, as provided for in U.S. note 52 to this subchapter
Import Tips
• Include material compatibility certificates for ultra-pure silicon processing
• Declare temperature/pressure specs matching statistical note requirements