公开(公告)号：US09318131B2

公开(公告)日：2016-04-19

申请号：US13930776

申请日：2013-06-28

Applicant: Seagate Technology LLC

Inventor： Wei Tian ,  Huaqing Yin ,  Yan Dong ,  Joseph M. Mundenar ,  Jianhua Xue

IPC: G11B5/31 ,  G11B5/23

CPC classification number: G11B5/23 ,  G11B5/232 ,  G11B5/3116

Abstract: The present application relates to a write gap structure for a magnetic recording head. In illustrated embodiments, the write gap structure includes multiple write gap segments along a beveled pole tip surface between a top edge and a bottom edge of the beveled pole tip surface to provide a narrow write gap proximate to the air bearing surface and a larger write gap behind the air bearing surface. In illustrated embodiments, the narrow write gap segment is formed between the beveled pole tip surface and a lower back surface of front shield and the larger write gap is formed between the beveled pole tip surface and an upper back surface of the front shield.

Abstract translation: 本申请涉及用于磁记录头的写间隙结构。 在示出的实施例中，写间隙结构包括沿着倾斜磁极尖端表面的顶部边缘和底部边缘之间的斜面磁极尖端表面的多个写入间隙段，以提供靠近空气轴承表面的窄写入间隙和更大的写入间隙 在空气轴承表面后面。 在图示的实施例中，狭窄的写入间隙段形成在斜面极尖表面和前屏蔽的下后表面之间，并且较大的写入间隙形成在斜面极尖表面与前屏蔽的上后表面之间。

公开(公告)号：US09805744B1

公开(公告)日：2017-10-31

申请号：US15088752

申请日：2016-04-01

Applicant: Seagate Technology LLC

Inventor： Jianhua Xue ,  Jian Zhong ,  Lei Lu ,  Yan Dong ,  Kirill Rivkin

IPC: G11B5/31 ,  G11B5/127

CPC classification number: G11B5/3116 ,  G11B5/012 ,  G11B5/1278 ,  G11B5/23 ,  G11B5/29 ,  G11B5/315 ,  G11B5/4886

Abstract: The disclosed technology includes a storage device including an interlaced magnetic recording (IMR) system, and a transducer head, including two writers, each writer including a write pole, wherein a width of a first write pole in a cross-track direction is substantially greater than a width of a second write pole in the cross-track direction, and wherein a down-track width of a front shield gap of the first write pole is substantially similar to down-track width of a front shield gap of the second write pole. In another implementation, the storage device includes an IMR system, and a transducer head, including two writers, each writer including a write pole, wherein a width of the first write pole in a cross-track direction is substantially greater than a width of a second write pole in a cross-track direction, and wherein a cross-track width of a side shield gap of the first write pole is substantially similar to a cross-track width of a side shield gap of the second write pole.

公开(公告)号：US20150002963A1

公开(公告)日：2015-01-01

申请号：US13930776

申请日：2013-06-28

Applicant: Seagate Technology LLC

Inventor： Wei Tian ,  Huaqing Yin ,  Yan Dong ,  Joseph M. Mundenar ,  Jianhua Xue

IPC: G11B5/23

CPC classification number: G11B5/23 ,  G11B5/232 ,  G11B5/3116

Abstract: The present application relates to a write gap structure for a magnetic recording head. In illustrated embodiments, the write gap structure includes multiple write gap segments along a beveled pole tip surface between a top edge and a bottom edge of the beveled pole tip surface to provide a narrow write gap proximate to the air bearing surface and a larger write gap behind the air bearing surface. In illustrated embodiments, the narrow write gap segment is formed between the beveled pole tip surface and a lower back surface of front shield and the larger write gap is formed between the beveled pole tip surface and an upper back surface of the front shield.

Abstract translation: 本申请涉及用于磁记录头的写间隙结构。 在示出的实施例中，写间隙结构包括沿着倾斜磁极尖端表面的顶部边缘和底部边缘之间的斜面磁极尖端表面的多个写入间隙段，以提供靠近空气轴承表面的窄写入间隙和更大的写入间隙 在空气轴承表面后面。 在图示的实施例中，狭窄的写入间隙段形成在斜面极尖表面和前屏蔽的下后表面之间，并且较大的写入间隙形成在斜面极尖表面与前屏蔽的上后表面之间。