发明名称 |
MAGNETIC RECORDING METHOD AND MAGNETIC DISK DEVICE |
摘要 |
PROBLEM TO BE SOLVED: To stably and densely record information in a magnetic recording medium having a high coercive force. SOLUTION: A magnetic recording method which performs the operation of recording information in the information recording medium having a high coercive force used for a hard disk of a high density recording device and reading the information by a magnetic head performs the recording or reading of the information by locally varying the temperature of a medium part equivalent to recording and reading of the information. By reducing the coercive force of a magnetic film of a high density recording medium to a level of a coercive force with which the information can be recorded by the magnetic head by heating by laser irradiation, the information is surely recorded. COPYRIGHT: (C)2007,JPO&INPIT
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申请公布号 |
JP2007184092(A) |
申请公布日期 |
2007.07.19 |
申请号 |
JP20070000911 |
申请日期 |
2007.01.09 |
申请人 |
FUJITSU LTD |
发明人 |
OSHIKI MITSUMASA;OGAWA SEIYA |
分类号 |
G11B5/02;G11B5/65;G11B11/10 |
主分类号 |
G11B5/02 |
代理机构 |
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