Multi-Wavelength Wafer Metrology Tool from Mexico
Broadband spectrophotometry optical system measuring thin film stack thicknesses across entire semiconductor wafers. Essential for process control in advanced nodes. HTS 9031.41.00.40 covers this wafer-specific optical measuring instrument.
Duty Rate — Mexico → United States
10%
Rate breakdown
9903.03.0110%Except for products described in headings 9903.03.02–9903.03.11, articles the product of any country, as provided for in subdivision (aa) of U.S. note 2 to this subchapter
Import Tips
• Spectral range (UV-Vis-NIR) and spot size specifications mandatory
• Distinguish from wafer mappers by emphasizing spectroscopic capability
• Ellipsometry functionality may trigger 9027 classification review