公开(公告)号：US20220005501A1

公开(公告)日：2022-01-06

申请号：US17465455

申请日：2021-09-02

Applicant: Western Digital Technologies, Inc.

Inventor： Xiaoyong LIU ,  Ji LI ,  Changhe SHANG ,  Daniele MAURI ,  Yukimasa OKADA

IPC: G11B5/39

Abstract: Aspects of the present disclosure generally relate to magnetic recording heads of magnetic recording devices. A magnetic read head includes a first pinning layer magnetically oriented in a first direction, and a second pinning layer formed above the first pinning layer and magnetically oriented in a second direction that is opposite of the first direction. The magnetic read head includes a rear hard bias disposed outwardly of one or more of the first pinning layer relative or the second pinning layer. The rear hard bias is magnetically oriented to generate a magnetic field in a bias direction. The bias direction points in the same direction as the first direction or the second direction. The magnetic read head does not include an antiferromagnetic (AFM) layer between a lower shield and an upper shield.