Cesium Iodide Photocathode Tube from Mexico
CsI(Tl)-coupled vacuum photocathode tube for soft X-ray detection in plasma physics experiments, featuring reflective photocathode geometry for 150-1200eV photons. Provides quantum efficiency >20% at 6keV. HTS 8540.89.00.60 classification for specialized light/X-ray sensing tube.
Duty Rate — Mexico → United States
13.7%
Rate breakdown
9903.05.5510%Section 301 (forced labor) — additional 10% ad valorem on products of Mexico
Import Tips
• X-ray attenuation specs distinguish from pure visible light sensors
• DOE/NASA end-user statements for fusion research applications
• UHV bakeout temperature ratings for accelerator compatibility