Interferometer Mirror Mount Assembly from Germany
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 — Germany → 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
• 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