Radiation-Hardened Camera Tube
Radiation-hardened photocathode tubes withstand >50k Gy without degradation for space/satellite television cameras. While related to 8525.82, standalone tubes classify under HTS 8540.20.4000 as other television camera tubes. Critical for aerospace imaging.
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Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If complete digital camera/recorder meeting rad-hard criteria
Assembled digital radiation-hardened cameras classify under 8525.82.
If processors used in tube electronics
Electronic integrated circuits for tube control classify separately.
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Import Tips & Compliance
• Radiation tolerance certification (>50k Gy silicon) mandatory; NASA/DoD end-use statements often required
• Differentiate from digital rad-hard cameras
Related Products under HTS 8540.20.40.00
Plumbicon Television Camera Tube
The Plumbicon is a specialized television camera tube using a lead oxide photoconductive target for high-quality broadcast video imaging. It falls under HTS 8540.20.4000 as a television camera tube, distinct from modern digital sensors, featuring photocathode technology for electron conversion. Primarily used in professional studio cameras before CCD dominance.
Image Intensifier Photocathode Tube
Image intensifier tubes convert low-light photons via photocathode to amplified electrons, creating visible images for night operations. Classified under HTS 8540.20.4000 as 'image intensifiers; other photocathode tubes' per hierarchy. Used in military night vision devices and scientific low-light imaging.
Vidicon Camera Tube
Vidicon tubes employ photoconductive targets activated by photocathodes for analog television camera applications in legacy broadcast and industrial video. HTS 8540.20.4000 covers these as 'other' television camera tubes. Common in vintage studio equipment and space-rated cameras.
Photomultiplier Tube PMT
Photomultiplier tubes (PMTs) use photocathodes to detect low-level light via electron multiplication for scintillation counters and spectroscopy. Falls under HTS 8540.20.4000 as 'other photocathode tubes.' Essential for particle physics and medical imaging detectors.
High-Speed Streak Camera Tube
Streak camera tubes capture ultra-fast events using photocathodes with time resolution under 50 nanoseconds for ballistics testing. HTS 8540.20.4000 applies to these specialized television camera tubes not meeting digital subheading specs. Used in research and defense applications.
Microchannel Plate Image Intensifier
Microchannel plate (MCP) intensifiers amplify photocathode-emitted electrons through millions of channels for superior night/low-light imaging. Classified HTS 8540.20.4000 as image intensifiers/photocathode tubes. Key component in advanced night vision and astronomy.