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A theoretical analysis of shielded magnetoresistive heads by conformal mapping

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3 Author(s)
Shute, H.A. ; Sch. of Math. & Stat., Plymouth Univ., UK ; Wilton, D.T. ; Mapps, D.J.

A new theoretical analysis of an asymmetrically shielded magnetoresistive sensor in the presence of a high-permeability underlayer is obtained by conformal mapping. The symmetrically shielded head is a special case. The solution also covers recessed sensors, and can be extended to the no underlayer situation. Head fields, spectral response functions, phase, dibit shift, and roll-off results for various head configurations are provided and discussed

Published in:

Magnetics, IEEE Transactions on  (Volume:33 ,  Issue: 1 )