Patent ID: 8102626
Filing Date: 2012-01-24
Classification: G11B

Abstract:
1. A disk drive having a recording medium to be rotated, and a head slider arranged in a manner of facing a surface of the recording medium wherein the head slider comprises: a rail surface, on which a read element for reading data recorded in the recording medium or a write element for recording data into the recording medium is mounted, provided at an outflow end side of a flying surface, step surfaces, which are deeper than the rail surface, provided at an inflow end side of the rail surface and at both sides thereof, and pad surfaces, which are deeper than the rail surface, provided at both sides of the step surfaces, wherein a depth δ from the rail surface to a position of the outflow end of the flying surface is 0.15 μm or less and satisfies, where v is a velocity of the recording medium at a position where the head slider faces the recording medium.