| 摘要 |
A magnetic disk recording and/or reproducing method is utilized with a magnetic disk on which pre-formatting signals such as a servo signal for head positioning and an address signal are previously formed by uneven surfaces. The method employs a slider with a magnetic head mounted there. The mass (m) of slider, including the mass of the head, satisfies the following equalities; m<0.93x106+(2 pi xixn)2 or m<2.21x106+(2 pi xixn)2 where (i) is the number of servo segments around a periphery of the disk and (n) is the rotation of the disk per second [rps]. The mass m of the slider and head is selected so that a passing frequency of the servo segments beneath the head is not equal to a resonance frequency between the slider containing the head and an air film located between the slider and the disk.
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