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8540.89.00.60/Cesium Iodide Photocathode Tube/Japan

Cesium Iodide Photocathode Tube from Japan

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 — Japan → United States

12.5%

Rate breakdown

9903.05.4912.5%Section 301 (forced labor) — Japan (col1 rate < 12.5 percent): MFN < 12.5% → total duty capped at 12.5%
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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

Cesium Iodide Photocathode Tube from Japan — Import Duty Rate | HTS 8540.89.00.60