公开(公告)号：US10593355B1

公开(公告)日：2020-03-17

申请号：US16557428

申请日：2019-08-30

Applicant: Seagate Technology LLC

Inventor： Swaraj Basu ,  Prim Gangmei ,  Angela Moore ,  Mark Anthony Gubbins ,  Beverley R. McConnell

IPC: G11B5/11 ,  G11B5/23 ,  G11B5/31 ,  G11B5/127

Abstract: A recording head that includes a bearing surface and a write pole having a front surface that forms a portion of the bearing surface. The recording head also includes a side shield for the write pole. The side shield includes a low saturation magnetization cap layer having a front surface that forms a portion of the bearing surface. The side shield also includes a main side shield layer having a saturation magnetization that is higher than a saturation magnetization value of the low saturation magnetization cap layer.

公开(公告)号：US10403311B1

公开(公告)日：2019-09-03

申请号：US15664628

申请日：2017-07-31

Applicant: Seagate Technology LLC

Inventor： Swaraj Basu ,  Prim Gangmei ,  Angela Moore ,  Mark Anthony Gubbins ,  Beverley R. McConnell

IPC: G11B5/11 ,  G11B5/23 ,  G11B5/31 ,  G11B5/127

Abstract: A recording head that includes a bearing surface and a write pole having a front surface that forms a portion of the bearing surface. The recording head also includes a side shield for the write pole. The side shield includes a low saturation magnetization cap layer having a front surface that forms a portion of the bearing surface. The side shield also includes a main side shield layer having a saturation magnetization that is higher than a saturation magnetization value of the low saturation magnetization cap layer.

公开(公告)号：US09728207B2

公开(公告)日：2017-08-08

申请号：US14976660

申请日：2015-12-21

Applicant: Seagate Technology LLC

Inventor： Prim Gangmei ,  Swaraj Basu ,  Angela Moore ,  Muhammad Asif Bashir ,  Praphaphan Wipatawit ,  Mark Anthony Gubbins ,  Marcus B. Mooney ,  Sharon Hammant

IPC: G11B5/127 ,  G11B5/31

CPC classification number: G11B5/3116 ,  G11B5/1278 ,  G11B5/315

Abstract: A data storage system may have at least one data writer that incorporates a write pole that continuously extends from an air bearing surface. The write pole can be separated from the air bearing surface by a side shield that consists of a first magnetic layer positioned on the air bearing surface and a guard layer separated from the air bearing surface by the first magnetic layer. The guard layer may be configured with a different magnetic saturation flux density than the first magnetic layer.

公开(公告)号：US09984707B2

公开(公告)日：2018-05-29

申请号：US15349459

申请日：2016-11-11

Applicant: Seagate Technology LLC

Inventor： Angela Moore ,  Aji Baby ,  Swaraj Basu ,  Marcus B. Mooney

IPC: G11B5/31 ,  G11B5/115 ,  G11B5/127 ,  G11B5/23 ,  G11B5/235

CPC classification number: G11B5/115 ,  G11B5/1278 ,  G11B5/232 ,  G11B5/235 ,  G11B5/3116 ,  G11B5/315 ,  G11B5/3163

Abstract: A data writer can have at least a write pole laterally disposed between first and second side shields and vertically disposed between a wrap-around shield and a front shield. The write pole may be separated from the side shields and the wrap-around shield by a lamination of first and second non-magnetic layers.

公开(公告)号：US20170133042A1

公开(公告)日：2017-05-11

申请号：US15349459

申请日：2016-11-11

Applicant: Seagate Technology LLC

Inventor： Angela Moore ,  Aji Baby ,  Swaraj Basu ,  Marcus B. Mooney

IPC: G11B5/11 ,  G11B5/60

CPC classification number: G11B5/115 ,  G11B5/1278 ,  G11B5/232 ,  G11B5/235 ,  G11B5/3116 ,  G11B5/315 ,  G11B5/3163

Abstract: A data writer can have at least a write pole laterally disposed between first and second side shields and vertically disposed between a wrap-around shield and a front shield. The write pole may be separated from the side shields and the wrap-around shield by a lamination of first and second non-magnetic layers.

公开(公告)号：US20160180866A1

公开(公告)日：2016-06-23

申请号：US14976660

申请日：2015-12-21

Applicant: Seagate Technology LLC

Inventor： Prim Gangmei ,  Swaraj Basu ,  Angela Moore ,  Muhammad Asif Bashirt ,  Praphaphan Wipatawit ,  Mark Anthony Gubbins ,  Marcus B. Mooney ,  Sharon Hammant

IPC: G11B5/115

CPC classification number: G11B5/3116 ,  G11B5/1278 ,  G11B5/315

Abstract: A data storage system may have at least one data writer that incorporates a write pole that continuously extends from an air bearing surface. The write pole can be separated from the air bearing surface by a side shield that consists of a first magnetic layer positioned on the air bearing surface and a guard layer separated from the air bearing surface by the first magnetic layer. The guard layer may be configured with a different magnetic saturation flux density than the first magnetic layer.

Abstract translation: 数据存储系统可以具有包含从空气轴承表面连续延伸的写极的至少一个数据写入器。 写极可以通过由位于空气轴承表面上的第一磁性层和由空气轴承表面与第一磁性层分离的保护层组成的侧面屏蔽件与空气轴承表面分离。 保护层可以配置为具有与第一磁性层不同的磁饱和磁通密度。