发明名称 |
Patterned magnetic recording media, stamper for manufacture of patterned magnetic recording media, method of manufacturing patterned magnetic recording media, and magnetic recording/reproduction apparatus |
摘要 |
According to one embodiment, a patterned magnetic recording media has a magnetic recording layer and a protective layer formed on a substrate, in which the magnetic recording layer including a magnetic material patterned in tracks and a nonmagnetic material filled in between the tracks in a data area, and has a recessed portion formed in an area within 1 mm from an outer media end and extending to the media end. The recessed portion being formed 1 to 50 nm deeper than the data area.
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申请公布号 |
US7655329(B2) |
申请公布日期 |
2010.02.02 |
申请号 |
US20090419052 |
申请日期 |
2009.04.06 |
申请人 |
KABUSHIKI KAISHA TOSHIBA |
发明人 |
KIKITSU AKIRA;KAMATA YOSHIYUKI;YAMAMOTO TAKAYUKI;HYODO HIROYUKI |
分类号 |
G11B5/66 |
主分类号 |
G11B5/66 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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