Photocathode Image Converter Tube from Japan
Image converter tubes directly transform IR/UV photons via photocathodes to visible spectrum electrons for spectrum conversion. HTS 8540.20.4000 explicitly includes image converters as other photocathode tubes. Applied in scientific spectroscopy and covert surveillance.
Duty Rate — Japan → United States
13.3%
Rate breakdown
9903.03.0110%Except for products described in headings 9903.03.02–9903.03.11, articles the product of any country, as provided for in subdivision (aa) of U.S. note 2 to this subchapter
Import Tips
• Spectral response range documentation essential; avoids thermal imaging classification
• Research institution imports may qualify for duty exemptions