公开(公告)号：US09830944B1

公开(公告)日：2017-11-28

申请号：US15040692

申请日：2016-02-10

Applicant: Seagate Technology LLC

Inventor： Riyan Mendonsa ,  Christopher J. Rea ,  Stephanie Hernandez

IPC: G11B11/00 ,  G11B20/12 ,  G11B5/60 ,  G11B5/00 ,  G11B11/105 ,  G11B7/126

CPC classification number: G11B5/6011 ,  G11B5/012 ,  G11B5/6088 ,  G11B7/126 ,  G11B11/105 ,  G11B11/10595 ,  G11B2005/0021

Abstract: First and second nominal head-to-media spacings of a magnetic recording head are determined that result in tracks being written to a magnetic recording medium at respective narrower and wider tracks widths. Three or more adjacent tracks of user data are written to the magnetic recording medium using one of the first and second nominal head-to-media spacings so that the adjacent tracks alternate between the narrower and wider track widths.

公开(公告)号：US09786303B1

公开(公告)日：2017-10-10

申请号：US15204469

申请日：2016-07-07

Applicant: Seagate Technology LLC

Inventor： Christopher J. Rea ,  Hua Zhou ,  Jie Gong

IPC: G11B5/02 ,  G11B11/00 ,  G11B5/31 ,  G11B5/00

CPC classification number: G11B5/314 ,  G11B5/3116 ,  G11B5/3133 ,  G11B5/3146 ,  G11B2005/0021

Abstract: An apparatus comprises a magnetic pole and a near-field transducer positioned at or near a media-facing surface and is separated from the magnetic pole, the near-field transducer configured to generate a thermal spot. The apparatus further comprises a layer proximate the magnetic pole and the near-field transducer, and the layer is configured to reduce a magnetic field proximate a center of the thermal spot.