electron-beam recorder

electron-beam recorder

[i′lek‚trän ‚bēm ri′kȯrd·ər]
(electronics)
A recorder in which a moving electron beam is used to record signals or data on photographic or thermoplastic film in a vacuum chamber.
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Sony's High Definition Data Center in Culver City, where digital edits are converted into 35mm film on multimillion-dollar electron-beam recorders, makes visitors try to figure out which of two strips of film was shot digitally and converted, and which was originally shot on film.
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