| 摘要 |
A disc-type recording medium arranged to be recorded/reproduced by a recording/reproducing head mounted on a head slider has a predetermined projection and pit pattern on the surface thereof and/or the head slider. In a state where the recording/reproducing head mounted on the head slider and the disc-type recording medium are in contact with each other, recording/reproducing is performed. As a result, abrasion between the recording/reproducing head and the disc-type recording medium can be prevented and an excellent recording/reproducing characteristic can be obtained.
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