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公开(公告)号：DE102016100042A1
公开(公告)日：2016-07-07
申请号：DE102016100042
申请日：2016-01-04
Applicant: IBM
Inventor： BISKEBORN ROBERT G , FONTANA ROBERT E , LIANG JASON , LO CALVIN S
Abstract: Eine Vorrichtung gemäß einer Ausführungsform enthält eine Wandler-Struktur mit: einer unteren Abschirmung, in deren oberer Oberfläche sich Ausnehmungen befinden; einer oberen Abschirmung, die über der unteren Abschirmung gebildet ist; einem Sensor, bei dem ein Stromfluss senkrecht zur Ebene erfolgt, zwischen der oberen und der unteren Abschirmung, wobei die Ausnehmungen an gegenüberliegenden Seiten des Sensors ausgebildet sind; und einer ersten isolierenden Schicht in den Ausnehmungen in der oberen Oberfläche der unteren Abschirmung. Eine Vorrichtung gemäß einer weiteren Ausführungsform enthält eine Wandler-Struktur mit: einer unteren Abschirmung; einer oberen Abschirmung, die über der unteren Abschirmung gebildet ist, wobei die obere Abschirmung in ihrer unteren Oberfläche Ausnehmungen hat; einem Sensor, bei dem ein Stromfluss senkrecht zur Ebene erfolgt, zwischen der oberen und der unteren Abschirmung, wobei die Ausnehmungen an gegenüberliegenden Seiten des Sensors positioniert sind; und einer ersten isolierenden Schicht in der unteren Oberfläche der oben Abschirmung.
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公开(公告)号：DE69413278D1
公开(公告)日：1998-10-22
申请号：DE69413278
申请日：1994-02-16
Applicant: IBM
Inventor： BAJOREK CHRISTOPER H , FONTANA ROBERT E , SNYDER CLINT D , THOMPSON DAVID A , WILLIAMS MASON L , YEACK-SCRANTON CELIA E
IPC: G11B5/10 , G11B5/127 , G11B5/255 , G11B5/31 , G11B5/39 , G11B5/48 , G11B5/49 , G11B17/32 , G11B5/105 , G11B15/64
Abstract: A magnetic transducer and suspension assembly suitable for use in both contact recording and in winchester-type applications is described. A generally rectangular elongated flat suspension member includes a vertical-type inductive read/write transducer formed integrally with the suspension member and is embedded in one end of the suspension member. The vertical inductive transducer is suitable for vertical recording applications. The transducer vertical magnetic pole tip and magnetic yoke structure are formed at one end of the suspension member with the vertical pole tip extending to and exposed at an air bearing surface formed on the lower surface of a slider-shaped protrusion extending from the lower surface of the end of the suspension member. The integral transducer/suspension assembly can be adapted for either flying above the recording media or for use in continuous contact with the recording media. The air bearing surface is formed on the lower surface of a wear pad. The fabrication of the transducer/suspension assembly is adapted to be performed at the wafer level.
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公开(公告)号：CA2110135A1
公开(公告)日：1994-09-16
申请号：CA2110135
申请日：1993-11-26
Applicant: IBM
Inventor： BAJOREK CHRISTOPHER H , FONTANA ROBERT E , SNYDER CLINT D , THOMPSON DAVID A , WILLIAMS MASON L , YEACK-SCRANTON CELIA E
Abstract: A magnetic transducer and suspension assembly suitable for use in both contact recording and in winchester-type applications is described. A generally rectangular elongated flat suspension member includes a vertical-type inductive read/write transducer formed integrally with the suspension member and is embedded in one end of the suspension member. The vertical inductive transducer is suitable for vertical recording applications. The transducer vertical magnetic pole tip and magnetic yoke structure are formed at one end of the suspension member with the vertical pole tip extending to and exposed at an air bearing surface formed on the lower surface of a slider-shaped protrusion extending from the lower surface of the end of the suspension member. The integral transducer/suspension assembly can be adapted for either flying above the recording media or for use in continuous contact with the recording media. The air bearing surface is formed on the lower surface of a wear pad. The fabrication of the transducer/suspension assembly is adapted to be performed at the wafer level.
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公开(公告)号：DE69424194D1
公开(公告)日：2000-05-31
申请号：DE69424194
申请日：1994-02-16
Applicant: IBM
Inventor： BAJOREK CHRISTOPHER H , FONTANA ROBERT E , SNYDER CLINT D , THOMPSON DAVID A , WILLIAMS MASON L , YEACK-SCRANTON CELIA E
IPC: G11B5/10 , G11B5/127 , G11B5/255 , G11B5/31 , G11B5/39 , G11B5/48 , G11B5/49 , G11B17/32 , G11B5/105 , G11B15/64 , G11B5/40
Abstract: A magnetic transducer and suspension assembly suitable for use in both contact recording and in winchester-type applications is described. A generally rectangular elongated flat suspension member includes a vertical-type inductive read/write transducer formed integrally with the suspension member and is embedded in one end of the suspension member. The vertical inductive transducer is suitable for vertical recording applications. The transducer vertical magnetic pole tip and magnetic yoke structure are formed at one end of the suspension member with the vertical pole tip extending to and exposed at an air bearing surface formed on the lower surface of a slider-shaped protrusion extending from the lower surface of the end of the suspension member. The integral transducer/suspension assembly can be adapted for either flying above the recording media or for use in continuous contact with the recording media. The air bearing surface is formed on the lower surface of a wear pad. The fabrication of the transducer/suspension assembly is adapted to be performed at the wafer level.
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公开(公告)号：PH30835A
公开(公告)日：1997-11-03
申请号：PH49556
申请日：1994-12-14
Applicant: IBM
Inventor： COFFEY KEVIN R , HYLTON TODD L , FONTANA ROBERT E , HOWARD JAMES K , PARKER MICHAEL A , TSONG CHING H
Abstract: A magnetoresistive read sensor incorporates a multilayer sensing element formed of one or more magnetoresistive elements in a planar array, each magnetoresistive element having a multilayer structure of at least two ferromagnetic layers separated by a nonmagnetic layer. The ferromagnetic layers are coupled antiferromagnetically by magnetostatic coupling at opposing edges of the ferromagnetic layers. A bias layer separated from the magnetoresistive sensing element by a spacer layer provides a magnetic field to bias the magnetoresistive sensing element at a desired non-signal point for linear response. The magnetoresistive sensing element is formed by alternatively depositing layers of ferromagnetic material and layers of nonmagnetic material on a substrate and then patterning the resulting structure using photolithographic techniques to provide a planar array of magnetoresistive elements. A conductive layer is deposited over the array filling in the spaces separating the magnetoresistive elements to provide electrical conductivity between the elements in the plane of the structure.
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Patent Agency Ranking
公开(公告)号：AT192260T
公开(公告)日：2000-05-15
申请号：AT97307860
申请日：1994-02-16
Applicant: IBM
Inventor： BAJOREK CHRISTOPHER H , FONTANA ROBERT E , SNYDER CLINT D , THOMPSON DAVID A , WILLIAMS MASON L , YEACK-SCRANTON CELIA E
IPC: G11B5/10 , G11B5/127 , G11B5/255 , G11B5/31 , G11B5/39 , G11B5/48 , G11B5/49 , G11B17/32 , G11B5/105 , G11B15/64 , G11B5/40
Abstract: A magnetic transducer and suspension assembly suitable for use in both contact recording and in winchester-type applications is described. A generally rectangular elongated flat suspension member includes a vertical-type inductive read/write transducer formed integrally with the suspension member and is embedded in one end of the suspension member. The vertical inductive transducer is suitable for vertical recording applications. The transducer vertical magnetic pole tip and magnetic yoke structure are formed at one end of the suspension member with the vertical pole tip extending to and exposed at an air bearing surface formed on the lower surface of a slider-shaped protrusion extending from the lower surface of the end of the suspension member. The integral transducer/suspension assembly can be adapted for either flying above the recording media or for use in continuous contact with the recording media. The air bearing surface is formed on the lower surface of a wear pad. The fabrication of the transducer/suspension assembly is adapted to be performed at the wafer level.
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公开(公告)号：CA2110135C
公开(公告)日：1998-09-15
申请号：CA2110135
申请日：1993-11-26
Applicant: IBM
Inventor： BAJOREK CHRISTOPHER H , FONTANA ROBERT E , SNYDER CLINT D , THOMPSON DAVID A , WILLIAMS MASON L , YEACK-SCRANTON CELIA E
Abstract: An integral combination magnetic transducer and suspension assembly suitable for use in both contact recording and in winchester-type applications is described. A generally rectangular elongated flat suspension member includes a vertical-type inductive read/write transducer formed integrally with the suspension member and is embedded in one end of the suspension member. The vertical inductive transducer is suitable for vertical recording applications. The transducer vertical magnetic pole tip and magnetic yoke structure are formed at one end of the suspension member with the vertical pole tip extending to and exposed at an air bearing surface formed on the lower surface of a slider-shaped protrusion extending from the lower surface of the end of the suspension member. The integral transducer/suspension assembly can be adapted for either flying above the recording media or for use in continuous contact with the recording media. The air bearing surface is formed on the lower surface of a wear pad. The fabrication of the transducer/suspension assembly is adapted to be performed at the wafer level.
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公开(公告)号：BR9405159A
公开(公告)日：1995-08-01
申请号：BR9405159
申请日：1994-12-20
Applicant: IBM
Inventor： COFFEY KEVIN R , FONTANA ROBERT E , HOWARD JAMES K , HYLTON TODD L , PARKER MICHAEL A , TSANG CHING H
Abstract: A magnetoresistive read sensor incorporates a multilayer sensing element formed of one or more magnetoresistive elements in a planar array, each magnetoresistive element having a multilayer structure of at least two ferromagnetic layers separated by a nonmagnetic layer. The ferromagnetic layers are coupled antiferromagnetically by magnetostatic coupling at opposing edges of the ferromagnetic layers. A bias layer separated from the magnetoresistive sensing element by a spacer layer provides a magnetic field to bias the magnetoresistive sensing element at a desired non-signal point for linear response. The magnetoresistive sensing element is formed by alternatively depositing layers of ferromagnetic material and layers of nonmagnetic material on a substrate and then patterning the resulting structure using photolithographic techniques to provide a planar array of magnetoresistive elements. A conductive layer is deposited over the array filling in the spaces separating the magnetoresistive elements to provide electrical conductivity between the elements in the plane of the structure.
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公开(公告)号：AT171297T
公开(公告)日：1998-10-15
申请号：AT94301109
申请日：1994-02-16
Applicant: IBM
Inventor： BAJOREK CHRISTOPER H , FONTANA ROBERT E , SNYDER CLINT D , THOMPSON DAVID A , WILLIAMS MASON L , YEACK-SCRANTON CELIA E
IPC: G11B5/10 , G11B5/127 , G11B5/255 , G11B5/31 , G11B5/39 , G11B5/48 , G11B5/49 , G11B17/32 , G11B5/105 , G11B15/64
Abstract: A magnetic transducer and suspension assembly suitable for use in both contact recording and in winchester-type applications is described. A generally rectangular elongated flat suspension member includes a vertical-type inductive read/write transducer formed integrally with the suspension member and is embedded in one end of the suspension member. The vertical inductive transducer is suitable for vertical recording applications. The transducer vertical magnetic pole tip and magnetic yoke structure are formed at one end of the suspension member with the vertical pole tip extending to and exposed at an air bearing surface formed on the lower surface of a slider-shaped protrusion extending from the lower surface of the end of the suspension member. The integral transducer/suspension assembly can be adapted for either flying above the recording media or for use in continuous contact with the recording media. The air bearing surface is formed on the lower surface of a wear pad. The fabrication of the transducer/suspension assembly is adapted to be performed at the wafer level.
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公开(公告)号：SG45157A1
公开(公告)日：1998-01-16
申请号：SG1996000767
申请日：1994-02-16
Applicant: IBM
Inventor： BAJOREK CHRISTOPHER H , FONTANA ROBERT E , SNYDER CLINT D , THOMPSON DAVID A , WILLIAMS MASON L , YEACK-SCRANTON CELIA E
IPC: G11B5/10 , G11B5/127 , G11B5/255 , G11B5/31 , G11B5/39 , G11B5/48 , G11B5/49 , G11B17/32 , G11B5/105 , G11B15/64
Abstract: A magnetic transducer and suspension assembly suitable for use in both contact recording and in winchester-type applications is described. A generally rectangular elongated flat suspension member includes a vertical-type inductive read/write transducer formed integrally with the suspension member and is embedded in one end of the suspension member. The vertical inductive transducer is suitable for vertical recording applications. The transducer vertical magnetic pole tip and magnetic yoke structure are formed at one end of the suspension member with the vertical pole tip extending to and exposed at an air bearing surface formed on the lower surface of a slider-shaped protrusion extending from the lower surface of the end of the suspension member. The integral transducer/suspension assembly can be adapted for either flying above the recording media or for use in continuous contact with the recording media. The air bearing surface is formed on the lower surface of a wear pad. The fabrication of the transducer/suspension assembly is adapted to be performed at the wafer level.
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