Magnetoresistive heads for ultra high density recording

Micromagnetic modeling of small dimension magnetoresistive (MR) heads is reviewed. Recent simulation results are presented, pertaining to recording applications with high areal density nearing 1-10 Gb/in/sup 2/. The proper biasing and reproduction properties of the most interesting MR head configurations have been studied, in order to achieve design optimizations for ultra-high density MR heads. Initial comparisons between the performances of a shielded MR-SAL head and a dual MR head are obtained.<
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