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Thin-film heads with anisotropy-determined track widths

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4 Author(s)
van Kesteren, H.W. ; Philips Res. Lab., Eindhoven, Netherlands ; Ruigrok, J.J.M. ; Geven, W.J.A. ; de Nooijer, M.C.

Multitrack yoke-type MR readout heads having a single shared front fluxguide with a highly anisotropic permeability, have been designed and evaluated. The well defined microtrack response profiles of these heads show that the anisotropy of the permeability confines the flux-detection to the area on tape in between the contact leads of the MR element. This can be exploited in “full-density” tape recording heads which read directly a number of adjacent tracks

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Magnetics, IEEE Transactions on  (Volume:33 ,  Issue: 5 )