Silicon Ingot Annealing Furnace from Japan
Annealing furnaces heat-treat silicon ingots post-grinding to relieve stresses before wafer slicing. Specialized for semiconductor boule processing under heading 8470, it fits HTS 8473.29.00.00.
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
• Document temperature uniformity specs (±1°C)
• Specify inert gas (argon/nitrogen) purge systems
• Classify complete systems vs replacement heating elements