Electron Bombardment Phosphor Tube from Mexico
EBP tube using UV photocathode to generate photoelectrons accelerated onto P46 phosphor screen for cooled IR detection below 77K. Provides high gain (>1000) for astronomical applications. HTS 8540.89.00.60 covers this specialized light-sensing configuration.
Duty Rate — Mexico → United States
13.7%
Rate breakdown
9903.05.5510%Except for products described in headings 9903.05.85–9903.05.92 and 9903.05.94, articles the product of Mexico, as provided for in U.S. note 52 to this subchapter
Import Tips
• Phosphor screen efficiency curves required for light conversion verification
• Cryogenic compatibility specs for liquid nitrogen operation
• ITAR controls apply to space-qualified versions