Wafer Thickness Measurement Station from Mexico
Inline station measuring semiconductor wafer thickness uniformity using laser interferometry for process control. Classified under HTS 8473.40.86.00 when integral to wafer preparation equipment of heading 8472. Ensures wafers meet fab dimensional specifications.
Duty Rate — Mexico → United States
10%
Rate breakdown
9903.05.5510%Except for products described in headings 9903.05.85–9903.05.92 and 9903.05.94, articles the product of Mexico, as provided for in U.S. note 52 to this subchapter
Import Tips
• Document integration with upstream lapping/polishing equipment
• Specify measurement resolution (e.g
• 0.1μm) proving semiconductor application
• Distinguish process control from standalone metrology tools