公开(公告)号：US09443544B1

公开(公告)日：2016-09-13

申请号：US13965976

申请日：2013-08-13

Applicant: Seagate Technology LLC

Inventor： Yingguo Peng ,  Jan-Ulrich Thiele ,  Ganping Ju ,  Thomas Patrick Nolan ,  Yinfeng Ding ,  Alexander Qihong Wu

IPC: G11B5/66 ,  G11B5/73

CPC classification number: G11B5/73 ,  G11B5/66

Abstract: A magnetic stack includes multiple granular layers, at least one of the multiple granular layers is a magnetic layer that includes exchange coupled magnetic grains separated by a segregant having Ms greater than 100 emu/cc. Each of the multiple granular layers have anisotropic thermal conductivity.