For reproducing phenomena other than sound or image
Discs, tapes, solid-state non-volatile storage devices, "smart cards" and other media for the recording of sound or of other phenomena, whether or not recorded, including matrices and masters for the production of discs, but excluding products of Chapter 37: > Optical media: > Other: > For reproducing phenomena other than sound or image
Duty Rate (from China)
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
Except as provided in headings 9903.88.39, 9903.88.42, 9903.88.44, 9903.88.47, 9903.88.49, 9903.88.51, 9903.88.53, 9903.88.55, 9903.88.57, 9903.88.65, 9903.88.66, 9903.88.67, 9903.88.68, or 9903.88.69, articles the product of China, as provided for in U.S. note 20(r) to this subchapter and as provided for in the subheadings enumerated in U.S. note 20(s)
Subheadings
Products classified under HTS 8523.49.20
Recorded DVD-ROM for Scientific Data
A DVD-ROM disc recorded with scientific measurement data such as seismic readings or atmospheric sensor outputs, classified under 8523.49.20 as optical media for reproducing phenomena other than sound or image. It stores non-audio/video data like numerical datasets from experiments. Excludes image or sound reproduction per chapter notes.
Blu-ray Disc with Medical Sensor Logs
Optical Blu-ray disc pre-recorded with patient vital signs telemetry data from medical monitors, under 8523.49.20 for phenomena other than sound/image. Captures physiological data streams like ECG waveforms (as numeric data). Meets optical media definition excluding Chapter 37 products.
M-DISC for Archival Weather Data
Long-term archival M-DISC optical media recorded with historical meteorological station data (temperature, pressure readings), HTS 8523.49.20. Designed for phenomena reproduction other than sound/image; high durability storage.
DVD+R with Satellite Telemetry Logs
DVD+R disc holding satellite orbital telemetry and attitude control data, classified 8523.49.20. Records spacecraft phenomena other than audiovisual.
Optical Disc for Nuclear Reactor Sensor Data
Specialized optical disc recorded with nuclear reactor core temperature/neutron flux readings, HTS 8523.49.20 for other phenomena.
Recordable BD-RE for Wind Turbine Performance Data
Blu-ray rewritable disc with wind turbine vibration/power output logs, under 8523.49.20 optical media.
DVD for Automotive ECU Diagnostic Logs
DVD recorded with engine control unit error codes and performance traces from vehicle testing, 8523.49.20.
Compact Disc with Stock Market Feed Data
CD recorded with real-time stock exchange tick data streams, classified 8523.49.20 for economic phenomena.
Archival Optical Disc for Oceanographic Buoy Data
Optical disc with ocean current velocity and salinity measurements from research buoys, HTS 8523.49.20.
CD-ROM with Seismic Survey Data
CD-ROM containing processed seismic wave data from geophysical surveys, under 8523.49.20 for other phenomena optical media. Stores amplitude/time series data excluding visual representations.
Blu-ray M-DISC Hybrid for Financial Time-Series Data
Hybrid Blu-ray/M-DISC recorded with high-frequency trading tick data and market metrics, HTS 8523.49.20. Reproduces economic phenomena as numeric datasets.
Phase-Change Optical Disc for Lab Experiment Results
Phase-change layer optical disc storing chemical reaction rate data from lab instruments, HTS 8523.49.20.
CD-R with Environmental Monitoring Data
Write-once CD-R containing recorded air quality sensor data over time periods, classified in 8523.49.20 as other optical media for non-sound/image phenomena. Stores pollutant concentration readings and timestamps. Distinguished from sound/image reproduction media.
DVD-RAM for Industrial Process Logs
Re-writable DVD-RAM disc with factory machine performance logs and vibration data, under HTS 8523.49.20 for optical media reproducing other phenomena. Records operational metrics excluding audiovisual content.
Recorded Holographic Optical Disc for Quantum Measurements
Advanced holographic optical storage disc with quantum experiment measurement results, classified 8523.49.20 as other optical media. Reproduces physical/quantum phenomena data, not sound or images.