| 摘要 |
PROBLEM TO BE SOLVED: To prevent reduction in the recording current and recording magnetic field during write pre-comprehension execution for NLTS compensation, in a perpendicular magnetic recording system. SOLUTION: Recording current overshoots, when recording a recording pattern of large NLTS, is increased. Reproduction signal quality is improved, and a high-reliability magnetic disk unit is provided. COPYRIGHT: (C)2008,JPO&INPIT
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