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Modeling the effect of head saturation in high density tape recording

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2 Author(s)
D. Wachenschwanz ; Eastman Kodak Co., San Diego, CA, USA ; H. N. Bertram

The effect of head saturation on the signal spectrum in high-density tape recording has been investigated using a simple model for the recording process and a finite-difference model for the head. Phase relationships in the recording process are incorporated by utilizing the angularly dependent switching behavior of a two-particle simplified system. The recording process under saturation is shown to depend on the achievable deep gap field since the head field shape changes only slightly. Scanning-Kerr-microscope assessment of saturation is shown to differ from that of a micro-loop

Published in:

IEEE Transactions on Magnetics  (Volume:27 ,  Issue: 6 )