Invention Application
US20090244785A1 MAGNETIC RECORDING MEDIUM, MAGNETIC RECORDING/REPRODUCTION DEVICE, AND METHOD OF MANUFACTURING MAGNETIC RECORDING MEDIUM 审中-公开
磁记录介质,磁记录/再现装置和制造磁记录介质的方法

MAGNETIC RECORDING MEDIUM, MAGNETIC RECORDING/REPRODUCTION DEVICE, AND METHOD OF MANUFACTURING MAGNETIC RECORDING MEDIUM
Abstract:
A magnetic recording medium suppresses effectively side erasure even when recording dot intervals are reduced. Magnetic dots and a soft magnetic layer are provided on a soft magnetic underlayer with a nonmagnetic layer intervening, so that magnetic dots are separated by the soft magnetic layer, and consequently leakage flux during recording to magnetic dots is absorbed by the soft magnetic layer, side erasure can be suppressed, and moreover the soft magnetic underlayer and soft magnetic layer are separated, so that an influence on recording/reproduction characteristics can be prevented.
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