Semiconductor Wafer Crystal Grinder Dust Collector from Japan
Integrated filtering and purification system attached to crystal grinders used to shape semiconductor boules to precise diameters, collecting diamond slurry and silicon dust particles from the air stream. Falls under HTS 8421.39.0115 as specialized dust collection equipment for maintaining clean air in wafer preparation environments. Essential for preventing airborne contaminants from affecting subsequent wafer processing.
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
• Provide airflow rate and filter efficiency data (e.g
• 99.999% particle removal) for classification support
• Pair with boule grinder invoices to demonstrate integral use in semiconductor process