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公开(公告)号：US3864751A
公开(公告)日：1975-02-04
申请号：US40370273
申请日：1973-10-04
Applicant: IBM
Inventor： BEAULIEU THOMAS JOSEPH , NEPELA DANIEL ANDREW
CPC classification number: B82Y25/00 , G01R33/093 , G11B5/3932
Abstract: A magnetoresistive (MR) read transducer has one MR element and a soft magnetic bias film that is electrically insulated from the MR element. When current is applied to the MR element, the bias film is magnetically saturated, and provides a magnetizing bias field to the MR element. The bias field is independent of the sense current amplitude and of the output signal.
Abstract translation: 磁阻（MR）读取传感器具有一个MR元件和与MR元件电绝缘的软磁偏置膜。 当电流施加到MR元件时，偏置膜是磁饱和的，并且向MR元件提供磁化偏置场。 偏置场与感测电流幅度和输出信号无关。
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公开(公告)号：DE2503772A1
公开(公告)日：1975-09-18
申请号：DE2503772
申请日：1975-01-30
Applicant: IBM
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公开(公告)号：AU7326174A
公开(公告)日：1976-03-18
申请号：AU7326174
申请日：1974-09-12
Applicant: IBM
Inventor： NEPELA DANIEL ANDREW , BEAULIEU THOMAS JOSEPH
Abstract: A magnetoresistive (MR) read transducer has one MR element and a soft magnetic bias film that is electrically insulated from the MR element. When current is applied to the MR element, the bias film is magnetically saturated, and provides a magnetizing bias field to the MR element. The bias field is independent of the sense current amplitude and of the output signal.
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公开(公告)号：DE2442566A1
公开(公告)日：1975-04-30
申请号：DE2442566
申请日：1974-09-05
Applicant: IBM
Inventor： BEAULIEU THOMAS JOSEPH , NEPELA DANIEL ANDREW
Abstract: A magnetoresistive (MR) read transducer has one MR element and a soft magnetic bias film that is electrically insulated from the MR element. When current is applied to the MR element, the bias film is magnetically saturated, and provides a magnetizing bias field to the MR element. The bias field is independent of the sense current amplitude and of the output signal.
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