Interferometer Mirror Mount Assembly from Canada
Kinematic mirror mount for laser interferometer reference mirrors in length measuring systems. Falls under HTS 9031.90.59.00 as part for other optical measuring appliances. Provides sub-arcsecond alignment stability.
Duty Rate — Canada → United States
10%
Rate breakdown
9903.05.2910%Section 301 (forced labor) — additional 10% ad valorem on products of Canada
Import Tips
• Angular deviation specs (<1 arcsec) prove metrology function
• Distinguish from general optics (9002) by measurement application
• Mirror excluded by note 1(d) if not mounted assembly