Diamond Wafer Polishing Machine from Canada
Uses diamond slurry and pads to polish semiconductor wafers to mirror finish required for lithography. Mechanical polishing action removes cermet, placing it under HTS 8461.90.60 statistical note (a)(ii)(C).
Duty Rate — Canada → United States
14.4%
Rate breakdown
9903.05.2910%Except for products described in headings 9903.05.85–9903.05.93, articles the product of Canada, as provided for in U.S. note 52 to this subchapter
Import Tips
• Specify diamond grit size and pressure specs for classification
• Classify polishing pads separately under 6804.21