| Original document(49 pages) 中文版 |
In a magnetic recording medium including a servo pattern region having a servo pattern formed of a concave/convex pattern having convex portions and concave portions and a data recording region, the region having a data track pattern, the convex portions are formed in an address pattern region of the servo pattern region such that the maximum opening lengths, which are located in the respective same radius regions of the respective opening lengths along the rotating direction of a substrate of the concave portions constituting the concave/convex pattern are set to first lengths that are double the minimum opening lengths along the rotating direction of the concave portions in the respective same radius regions. |
Application Number
申请号 |
200510099653 |
Application Date
申请日 |
2005.08.30 |
| Title 名称 |
Magnetic recording medium, recording/reproducing apparatus, and stamper
|
Publication Number
公开号 |
1831952 |
Publication Date
公开日 |
2006.09.13 |
| Approval Pub. Date |
|
Granted Pub. Date |
|
| International Classification 分类号 |
G11B5/82,G11B5/84 |
Applicant(s) Name
申请人 |
TDK Corp. |
| Address 地址 |
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| Inventor(s) Name 发明人 |
Soeno Yoshikazu |
| Attorney & Agent 代理人 |
shen zhaokun |
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