发明名称 |
Master carrier for magnetic transfer |
摘要 |
A master carrier for magnetic transfer is equipped with a substrate having a land/groove pattern. The land/groove pattern is formed from a magnetic material and corresponds to information that is transferred to a magnetic recording disk. Each land in the land/groove pattern has four round corners whose radius is from 1% through 47% of the width of a data track on the disk.
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申请公布号 |
US7149042(B2) |
申请公布日期 |
2006.12.12 |
申请号 |
US20040014944 |
申请日期 |
2004.12.20 |
申请人 |
FUJI PHOTO FILM CO., LTD. |
发明人 |
NISHIKAWA MASAKAZU;YASUNAGA TADASHI;NIITSUMA KAZUHIRO |
分类号 |
G11B5/86;G11B5/596;G11B5/82 |
主分类号 |
G11B5/86 |
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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