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US5005096A Magnetoresistive read transducer having hard magnetic shunt bias 失效
具有硬磁分路偏置的磁阻读取传感器

Magnetoresistive read transducer having hard magnetic shunt bias
Abstract:
A magnetoresistive (MR) read transducer comprising an MR layer having passive end regions separated by a central active region. A longitudinal bias is produced by a thin film of hard magnetic material in the end regions only, and the thin film of hard magnetic material is spaced from the MR layer by a nonmagnetic spacer layer so that a magnetostatic longitudinal bias is produced of a level to maintain the passive end regions of the MR layer in a stable state.
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