Particle distributions and noise in metal particle tapes
Aziz, Mustafa M.
Middleton, Barry K.
Miles, J. J.
University of Exeter; University of Manchester
IEEE Transactions on Magnetics
The magnetization spectrum from an erased (ac demagnetized or dc saturated) particulate medium was derived analytically using the autocorrelation function of a long line of separate and contiguous particles. The derived expressions indicated a strong dependence on the percentage of chains and their length inside the magnetic medium. Using the values of these quantities as fitting parameters, good agreement to measured noise spectra from a digital tape system was obtained.
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38 (5, part 1), pp. 1901-1903