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Magnetic particles
The magnetic particles incorporated in the binder to form the magnetic layer on a magnetic tape.
Iron oxide, chromium dioxide, barium ferrite, and metal particulate are various examples of magnetic pigment used in commercial tapes. The term pigment is a carry over of terminology from paint and coating technology — the magnetic coating on a tape is analogous to a coat of paint in which the magnetic particle is the paint pigment.
The National Film and Sound Archive of Australia acknowledges Australia’s Aboriginal and Torres Strait Islander peoples as the Traditional Custodians of the land on which we work and live and gives respect to their Elders both past and present.