Single Wafer Lapping Machine from Canada
Single wafer lapping machines use abrasive slurries to achieve sub-micron flatness on semiconductor wafers prior to polishing. This precision equipment is an accessory for semiconductor processing machines of heading 8470, classified in HTS 8473.29.00.00.
Duty Rate — Canada → United States
10%
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
• Include flatness specs (e.g
• <1µm TTV) in technical docs
• Declare slurry compatibility for silicon/gallium arsenide
• Ensure vibration isolation ratings for cleanroom use