Laser Wafer Overlay Metrology Tool from Canada
Precision optical instrument measuring overlay alignment between multiple lithographic layers on semiconductor wafers. Employs interferometry and pattern recognition to ensure nanometer-level accuracy in wafer patterning processes. Falls under HTS 9031.41.00.40 for wafer-specific optical inspection in IC production.
Duty Rate — Canada → United States
0%
Rate breakdown
9903.05.860%Articles provided for in subdivision (b) of U.S. note 52 to this subchapter
Import Tips
• Provide NIST-traceable calibration data for optical components to satisfy US customs metrology verification
• Label as 'for semiconductor wafer inspection only' to prevent classification under general laboratory apparatus