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公开(公告)号：DE68909994D1
公开(公告)日：1993-11-25
申请号：DE68909994
申请日：1989-04-05
Applicant: IBM
Inventor： KROUNBI MOHAMAD TOWFIK , PATLACH ALVIN MURRAY , SANDERS IAN LEWIS
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公开(公告)号：DE68921236T2
公开(公告)日：1995-08-10
申请号：DE68921236
申请日：1989-04-18
Applicant: IBM
Inventor： BELSER KARL ARNOLD , MAKANSI TAREK , SANDERS IAN LEWIS
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公开(公告)号：HK71396A
公开(公告)日：1996-05-03
申请号：HK71396
申请日：1996-04-25
Applicant: IBM
Inventor： AHLERT RICHARD HENRY , HOWARD JAMES KENT , LAMBERT STEVEN EUGENE , SANDERS IAN LEWIS
Abstract: An improved CoPt based or CoNi based alloy magnetic data storage disk has a magnetic recording layer which is a laminated structure of relatively thin magnetic alloy films separated by relatively thin non-magnetic spacer films. The resulting laminated disk structure has substantially decreased intrinsic media noise at high linear recording densities.
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Patent Agency Ranking
公开(公告)号：SG44397A1
公开(公告)日：1997-12-19
申请号：SG1996000143
申请日：1992-08-21
Applicant: IBM
Inventor： DIENY AMERICA BERNARD , GURNEY BRUCE ALVIN , PARKIN STUART STEPHEN PAPWORTH , SANDERS IAN LEWIS , SPERIOSU VIRGIL SIMON , WILHOIT DENNIS RICHARD
Abstract: A magnetoresistive sensor comprising a layered structure having at least one bilayer comprising a first thin film of ferromagnetic material in interfacial contact with a second thin film of nonferromagnetic metallic material, characterised by the bilayer comprising a third thin film of material within said first thin film of ferromagnetic material, said third thin film having a thickness of between a fraction of a monolayer and several monolayers and being located at a predetermined distance x from the interface between said first and said second thin film layers.
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公开(公告)号：DE68921236D1
公开(公告)日：1995-03-30
申请号：DE68921236
申请日：1989-04-18
Applicant: IBM
Inventor： BELSER KARL ARNOLD , MAKANSI TAREK , SANDERS IAN LEWIS
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公开(公告)号：DE69023156T2
公开(公告)日：1996-05-30
申请号：DE69023156
申请日：1990-03-08
Applicant: IBM
Inventor： AHLERT RICHARD HENRY , HOWARD JAMES KENT , LAMBERT STEVEN EUGENE , SANDERS IAN LEWIS
Abstract: An improved CoPt based or CoNi based alloy magnetic data storage disk has a magnetic recording layer which is a laminated structure of relatively thin magnetic alloy films separated by relatively thin non-magnetic spacer films. The resulting laminated disk structure has substantially decreased intrinsic media noise at high linear recording densities.
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公开(公告)号：DE69023156D1
公开(公告)日：1995-11-30
申请号：DE69023156
申请日：1990-03-08
Applicant: IBM
Inventor： AHLERT RICHARD HENRY , HOWARD JAMES KENT , LAMBERT STEVEN EUGENE , SANDERS IAN LEWIS
Abstract: An improved CoPt based or CoNi based alloy magnetic data storage disk has a magnetic recording layer which is a laminated structure of relatively thin magnetic alloy films separated by relatively thin non-magnetic spacer films. The resulting laminated disk structure has substantially decreased intrinsic media noise at high linear recording densities.
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公开(公告)号：DE68909994T2
公开(公告)日：1994-05-05
申请号：DE68909994
申请日：1989-04-05
Applicant: IBM
Inventor： KROUNBI MOHAMAD TOWFIK , PATLACH ALVIN MURRAY , SANDERS IAN LEWIS
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