Interferometer Mirror Mount Assembly
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.
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Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If general optical mounts
Mounts not principally for measuring classify with optical elements.
If for specific laser interferometers
Named instrument parts classified with that heading.
If parts of specific 9031 subheading instruments
Subheading-specific parts have dedicated provisions.
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Import Tips & Compliance
• 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
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