Laser Micrometer Beam Splitter Prism from Japan
Specialized dichroic prism that splits laser measurement and reference beams in dual-axis optical micrometers (9031.41). Ensures measurement accuracy through precise beam separation. Specific part for listed subheading classifies under 9031.90.54.00.
Duty Rate — Japan → United States
0%
Rate breakdown
9903.05.860%Universal product exemption (U.S. note 52(b))
Import Tips
• Coating specifications (reflectance/transmittance curves) essential for customs; AR coating durability certification; prevent classification as general prism under 9001