Invention Grant
- Patent Title: Magnetic recording medium, production method thereof and magnetic disc apparatus
- Patent Title (中): 磁记录介质及其制造方法及磁盘装置
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Application No.: US12206479Application Date: 2008-09-08
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Publication No.: US07927725B2Publication Date: 2011-04-19
- Inventor: Shunji Ishio , Hitoshi Saito , Takashi Hasegawa , Iwao Okamoto , Naoya Yamamoto
- Applicant: Shunji Ishio , Hitoshi Saito , Takashi Hasegawa , Iwao Okamoto , Naoya Yamamoto
- Applicant Address: JP Tokyo JP Akita
- Assignee: Showa Denko K.K.,National University Corporation Akita University
- Current Assignee: Showa Denko K.K.,National University Corporation Akita University
- Current Assignee Address: JP Tokyo JP Akita
- Agency: Greer, Burns & Crain, Ltd.
- Priority: JP2007-331113 20071221
- Main IPC: G11B5/66
- IPC: G11B5/66
Abstract:
A magnetic recording medium for use in digital magnetic recording, which comprises a nonmagnetic substrate having deposited thereon a magnetic layer, wherein with respect to the in-plane direction, the magnetic recording layer comprises a plurality of ferromagnetic regions separated from each other by an antiferromagnetic region. A production method of the magnetic recording medium and a magnetic disc apparatus are also disclosed.
Public/Granted literature
- US20090161254A1 MAGNETIC RECORDING MEDIUM, PRODUCTION METHOD THEREOF AND MAGNETIC DISC APPARATUS Public/Granted day:2009-06-25
Information query
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