Wafer Lapping Machine Slurry Compressor Head from Canada
Compressor head assembly for hermetic units that pressurize abrasive slurry in wafer lapping machines, achieving sub-micron flatness for semiconductor wafer surfaces before polishing. Critical for dimensional tolerance in wafer fabrication prep. Classified 8414.90.41.55 for 8414.40 compressor parts in semiconductor processing.
Duty Rate — Canada → 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 surface flatness specs (e.g
• <1μm) tying to statistical note wafer preparation criteria
• Include slurry compatibility certification for chemical resistance