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公开(公告)号:SG52926A1
公开(公告)日:1998-09-28
申请号:SG1997000639
申请日:1997-03-03
Applicant: IBM
Inventor: SONOBE YOSHIAKI , IKEDA YOSHIHIRO , UCHIDA HIROSHI , TOYOOKA TAKASHI , TAGASHIRA YOSHIUKI
Abstract: A perpendicular magnetic recording medium wherein a perpendicular magnetic film is formed on a substrate or a nonmagnetic film, and the perpendicular magnetic film contains Co and Cr, the content of the Cr being 22 at. % or higher but 30 at. % or less. The medium is used in a magnetic recording disk drive using a magnetoresistive read head.