公开(公告)号：US20070196697A1

公开(公告)日：2007-08-23

申请号：US11581326

申请日：2006-10-17

Applicant: Taek-dong Lee ,  Young-wook Tahk ,  Sung-chul Lee

Inventor： Taek-dong Lee ,  Young-wook Tahk ,  Sung-chul Lee

IPC: G11B5/66

CPC classification number: G11B5/667 ,  G11B5/7325

Abstract: A perpendicular magnetic recording medium is provided, the perpendicular magnetic recording medium including: a substrate; a first soft magnetic underlayer formed on the substrate; a perpendicular anisotropic middle layer that is formed on the first soft magnetic underlayer and has perpendicular magnetic anisotropy; a second soft magnetic underlayer formed on the perpendicular anisotropic middle layer; and a perpendicular magnetic recording layer formed on the second soft magnetic underlayer.

Abstract translation: 提供垂直磁记录介质，垂直磁记录介质包括：基板; 形成在所述基板上的第一软磁性底层; 垂直各向异性中间层，形成在第一软磁性底层上，具有垂直的磁各向异性; 形成在垂直各向异性中间层上的第二软磁性底层; 以及形成在第二软磁性底层上的垂直磁记录层。