Silicon Ingot Annealing Furnace from Mexico
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 — Mexico → 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
• Document temperature uniformity specs (±1°C)
• Specify inert gas (argon/nitrogen) purge systems
• Classify complete systems vs replacement heating elements