Interferometer Mirror Set for Lasers from Mexico
Pair of dielectric-coated mirrors for Fabry-Perot interferometers in tunable laser systems. HTS 9013.90.80.00 as parts for precision laser appliances. Enables wavelength stabilization in telecommunications lasers.
Duty Rate — Mexico → United States
15%
Rate breakdown
9903.82.1015%Except as provided for in headings 9903.82.12, 9903.82.17 and 9903.85.68, derivative aluminum and steel articles with an ad valorem (or ad valorem equivalent) rate of duty under column 1 less than 15 percent, as provided for in subdivision (f) of U.S. note 16 to this subchapter
9903.05.900%Articles already subject to Section 232 (steel/aluminum/copper + derivatives, autos + parts, wood, medium/heavy vehicles + parts, semiconductors, patented pharma) — U.S. note 52(f)
Import Tips
• Specify reflectivity curves (99.9% at 1550nm) confirming laser interferometer use
• Package as matched sets with serialization for traceability
• Include cleanroom handling instructions