公开(公告)号：US09940955B2

公开(公告)日：2018-04-10

申请号：US14956251

申请日：2015-12-01

Applicant: HGST Netherlands B.V.

Inventor： Kouichi Nishioka ,  Zheng Gao ,  Ching Tsang ,  Quang Le ,  Sangmun Oh

IPC: G11B5/39

CPC classification number: G11B5/3912 ,  G11B5/3909 ,  G11B5/3929 ,  G11B5/3945 ,  G11B2005/3996

Abstract: A read head is provided with a scissors sensor. The read head may include a bottom magnetic shield, and a first non-magnetic seed layer, a magnetic seed layer, a second non-magnetic seed layer, an antiferromagnetic layer, a coupling layer, a first free magnetic layer, a spacer layer, and a second free magnetic layer positioned above the bottom magnetic shield, in this order. A pair of magnetic side shield layers may be positioned on respective sides of the second free magnetic layer.

公开(公告)号：US20170154643A1

公开(公告)日：2017-06-01

申请号：US14956251

申请日：2015-12-01

Applicant: HGST Netherlands B.V.

Inventor： Kouichi Nishioka ,  Zheng Gao ,  Ching Tsang ,  Quang Le ,  Sangmun Oh

IPC: G11B5/39

CPC classification number: G11B5/3912 ,  G11B5/3909 ,  G11B5/3929 ,  G11B5/3945 ,  G11B2005/3996

Abstract: A read head is provided with a scissors sensor. The read head may include a bottom magnetic shield, and a first non-magnetic seed layer, a magnetic seed layer, a second non-magnetic seed layer, an antiferromagnetic layer, a coupling layer, a first free magnetic layer, a spacer layer, and a second free magnetic layer positioned above the bottom magnetic shield, in this order. A pair of magnetic side shield layers may be positioned on respective sides of the second free magnetic layer.