| 发明名称 |
Master information carrier for magnetic transfer |
| 摘要 |
<p>A master information carrier for magnetic transfer includes a substrate having an irregularity pattern representing information to be transferred to a slave medium and a magnetic layer formed on the irregularity pattern on the substrate. The depth d of the recessed portions of the irregularity pattern and the thickness t of the magnetic layer formed on the recessed portions satisfy formula -0-004 </= (t-d)/d</=0.1. At the same time, the magnetic layer formed on the protruding portion of the irregularity pattern and the magnetic layer formed on the recessed portions of the irregularity pattern are connected with each other. <IMAGE> <IMAGE></p> |
| 申请公布号 |
EP1398765(A2) |
申请公布日期 |
2004.03.17 |
| 申请号 |
EP20030020451 |
申请日期 |
2003.09.12 |
| 申请人 |
FUJI PHOTO FILM CO., LTD. |
发明人 |
SUGITA, RYUJI;NISHIKAWA, MASAKAZU;YASUNAGA, TADASHI |
| 分类号 |
G11B5/596;G11B5/86;(IPC1-7):G11B5/86 |
主分类号 |
G11B5/596 |
| 代理机构 |
|
代理人 |
|
| 主权项 |
|
| 地址 |
|
