发明名称 |
MAGNETIZATION DEVICE AND MAGNETIZATION METHOD FOR MAGNETIC DISK |
摘要 |
PROBLEM TO BE SOLVED: To improve the productivity of a magnetic disk. SOLUTION: A magnetic head 41 for magnetizing magnetic layers 13 on projecting parts 21 constituting the fine ruggedness of the magnetic disk 10 and magnetic layers 13 on recessed parts 22 to a prescribed direction and a magnetic head 41 for magnetizing only the magnetic layers 13 on the projecting parts 21 to turn in a reverse direction are separately disposed and the projecting parts 21 and the recessed parts 22 are magnetized by the same process step.
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申请公布号 |
JP2002230748(A) |
申请公布日期 |
2002.08.16 |
申请号 |
JP20010027037 |
申请日期 |
2001.02.02 |
申请人 |
SONY CORP |
发明人 |
KAMOSHITA HIROKO;TANAKA SHOJI;SUZUKI KAZUYA |
分类号 |
G11B5/65;G11B5/73;G11B5/82;G11B5/84;G11B21/10;(IPC1-7):G11B5/84 |
主分类号 |
G11B5/65 |
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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