Invention Grant
- Patent Title: Magnetic recording medium and manufacturing method therefor
- Patent Title (中): 磁记录介质及其制造方法
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Application No.: US11378347Application Date: 2006-03-20
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Publication No.: US07586830B2Publication Date: 2009-09-08
- Inventor: Nobuhiro Yasui , Toru Den
- Applicant: Nobuhiro Yasui , Toru Den
- Applicant Address: JP Tokyo
- Assignee: Canon Kabushiki Kaisha
- Current Assignee: Canon Kabushiki Kaisha
- Current Assignee Address: JP Tokyo
- Agency: Fitzpatrick, Cella, Harper & Scinto
- Priority: JP2005-108666 20050405
- Main IPC: G11B7/00
- IPC: G11B7/00

Abstract:
There is provided a novel magnetic recording medium which less damages the recording layer and of which recording tracks are fully magnetically spaced apart and manufacturing method therefor. The present invention provides the magnetic recording medium having a recording layer on a member with concave and convex portions, wherein the recording layer is provided on the concave and convex portions, and the recording layers on the concave and convex portions are different in magnetic properties with each other.
Public/Granted literature
- US20060222905A1 Magnetic recording medium and manufacturing method therefor Public/Granted day:2006-10-05
Information query
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