Magnetic tunnel junction magnetoresistive read head with longitudinal and transverse bias

作者: Stuart Stephen Papworth Parkin , Ching Hwa Tsang , Robert Edward Fontana

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摘要: A magnetic tunnel junction magnetoresistive read head has one fixed ferromagnetic layer and generally rectangularly shaped sensing on opposite sides of the barrier layer, a biasing located around side edges back layer. An electrically insulating separates from The is continuous boundary that regions region to surround three When single with contiguous its moment can be selected make an angle long In this manner provides both transverse bias field compensate for coupling magnetostatic fields acting thus provide linear response longitudinal stabilize head. may also formed discrete region. have oriented in different direction order correct combination fields.

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