Flux

Magnetic current generated by a record head, stored on magnetic tape, and picked up by the playback head. Also the magnetic field that exists between the poles of a magnet.

Flux Transition

A 180°change in the flux pattern of a magnetic medium brought about by the reversal of the magnetic poles within the medium.

Flux Transition Density

Number of flux transitions per track length unit.

 

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References

Case, D., 1985, Motion Picture Film Processing, Media Manuals, Focal Press, London, Boston