A method is described for simulating the recording process at various strata within a magnetic tape by duplicating the magnetic field intensity and direction in a sample tape volume. The method is flexible in that it requires only plots of field intensity and direction as a function of depth within the tape for any realizable head configuration. Several results are shown including remanence from sine wave recording wherein the phase shift vs. depth is pronounced. Demagnetization effects from adjacent layers are not measured by this method and corrections must be made for their existence.
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Lemke et al. (1966) studied this question.
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