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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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2.发明授权
公开(公告)号：US3512966A
公开(公告)日：1970-05-19
申请号：US47497765
申请日：1965-07-26
Applicant: IBM
Inventor： SHATTUCK MEREDITH DAVID , VAHTRA ULO , NEPELA DANIEL ANDREW
CPC classification number: G03G5/0618 , G03G5/0609 , G03G5/0627 , G03G5/0635 , G03G5/071 , G03G5/073 , G03G13/04 , G03G17/00
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公开(公告)号：DE2827429A1
公开(公告)日：1979-01-11
申请号：DE2827429
申请日：1978-06-22
Applicant: IBM
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公开(公告)号：DE3265508D1
公开(公告)日：1985-09-26
申请号：DE3265508
申请日：1982-02-17
Applicant: IBM
Inventor： DEPALMA VINCENT MICHAEL , DILLEY REGINALD JAMES , DOERNER MARY FRANCES , NEPELA DANIEL ANDREW
Abstract: This invention relates to a magnetic recording medium including a substrate carrying a coating of magnetic particles and non-magnetic load-bearing spherical particles dispersed in a binder. The spherical particles protrude above the surface of the magnetic coating. The particles do not protrude above the surface of the magnetic coating by more than 1/5th of the thickness of said coating.
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公开(公告)号：CH633319A5
公开(公告)日：1982-11-30
申请号：CH1196077
申请日：1977-09-30
Applicant: IBM
Inventor： NEPELA DANIEL ANDREW , RICE DONALD WINSTON , SUITS JAMES CARR
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Patent Agency Ranking
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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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公开(公告)号：AU2942777A
公开(公告)日：1979-04-12
申请号：AU2942777
申请日：1977-10-06
Applicant: IBM
Inventor： NEPELA DANIEL ANDREW , RICE DONALD WINSTON , SUITS JAMES CARR
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