Fused Silica Ultraviolet Mirror
A mirror made from fused silica substrate with dielectric coatings optimized for UV wavelengths, used in lithography systems. Classified in HTS 9001.90.60.00 as an unmounted mirror for optical applications requiring high UV transmission.
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Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If ceramic laboratory technical use
Ceramic optical components for lab use excluded under Chapter 90 note 1(c).
If parts for semiconductor wafer processing machines
Machine parts of heading 8486 take precedence per Chapter 90 note 2(a).
If when used in liquid crystal inspection apparatus
Parts principally for heading 9013 apparatus classified there.
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Import Tips & Compliance
• Include UV reflectivity and damage threshold specifications in technical documentation
• Confirm substrate purity and coating durability meet optical element standards
• Separate from excimer laser systems to maintain individual element classification
Related Products under HTS 9001.90.60.00
Unmounted Dielectric Laser Mirror
A high-reflectivity dielectric mirror made from multiple thin-film layers on a fused silica substrate, designed for laser applications. It falls under HTS 9001.90.60.00 as an unmounted optical mirror element, not optically worked glass, used in precision optical systems for reflecting specific wavelengths.
Unmounted Concave Optical Mirror
A curved concave mirror with a polished aluminum coating on a glass substrate, used in telescopes and projectors. Classified under HTS 9001.90.60.00 as an unmounted mirror optical element for beam focusing in imaging systems.
Protected Aluminum Coated Mirror
An unmounted front-surface mirror with protected aluminum coating on a float glass substrate for high optical quality reflection. It qualifies under HTS 9001.90.60.00 as a precision optical mirror element used in spectroscopy and interferometry.
Unmounted Dichroic Beam Splitter Mirror
A thin-film dichroic mirror that reflects specific wavelengths while transmitting others, used in multi-spectral imaging. Falls under HTS 9001.90.60.00 as an unmounted optical mirror element for beam separation applications.
Unmounted Right Angle Prism Mirror
A mirror coated on a right-angle prism surface for 90-degree beam deflection in periscopes and binoculars. Under HTS 9001.90.60.00 as an unmounted mirror element, distinguished from uncoated prisms.
High Power Laser Turning Mirror
A water-cooled copper substrate mirror with dielectric coatings for high-power CO2 lasers. HTS 9001.90.60.00 covers this unmounted optical mirror used for beam direction in industrial cutting systems.