White Light Interferometer from Japan
Optical instrument measuring surface form and finish using white light interferometry for sub-micron precision. HTS 9031.49.9000 covers this advanced optical measuring technology used in semiconductor and optics manufacturing.
Duty Rate — Japan → United States
12.5%
Rate breakdown
9903.05.4912.5%Section 301 (forced labor) — Japan (col1 rate < 12.5 percent): MFN < 12.5% → total duty capped at 12.5%
Import Tips
• Include coherent light source specifications for CBP optical instrument verification
• Provide NIST-traceable calibration data for customs technical review
• Declare HEPA filtration status for cleanroom compatibility documentation