Zygo VeriFire XP8 Reticle Phase Measurement System from Canada
Laser Fizeau interferometer system for measuring phase errors and wavefront aberrations in phase-shift photomasks used for semiconductor lithography. Provides angstrom-level precision for optical proximity correction verification. HTS 9031.41.0020 classification for semiconductor reticle optical inspection.
Duty Rate — Canada → 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
• Document wavelength-specific calibration traceable to NIST standards
• Provide evidence of photomask handling fixtures distinguishing from general interferometers
• Avoid classification as general laboratory optics by specifying semiconductor manufacturing context