Crystal Boule Grinder Vacuum Pump from Canada
Dry vacuum pump for crystal grinders that shape semiconductor boules to precise diameters and flats indicating conductivity type. HTS 8414.10.00.00 covers this wafer preparation vacuum equipment.
Duty Rate — Canada → United States
12.5%
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
• Provide grind tolerance specs (e.g
• ±0.1mm) linking to boule flat grinding standards
• Avoid pitfall of generic 'industrial pump' declarations—specify semiconductor boule application
• Certify pump materials resist silicon carbide abrasives from grinding