Patent ID: 8184402

Claim:
A head-slider which is configured to fly above a magnetic-recording disk, said head-slider comprising: a disk-facing side, which faces said magnetic-recording disk, said disk-facing side comprising a plurality of surfaces comprising at least: a step bearing surface; a rail surface, which protrudes toward said magnetic-recording disk and is configured to exert a positive pressure; a deep-recessed surface, which is formed deeper than said step bearing surface and is configured to exert a negative pressure; an extended lateral surface, which is formed at substantially a same depth as said step bearing surface and disposed outside said deep-recessed surface in a width direction of said head-slider; and an extended rear surface, which is formed at substantially said same depth as said step bearing surface and disposed at a trailing edge of said head-slider, and contiguous with said extended lateral surface, wherein a leading-edge side of said extended rear surface of said disk-facing side comprises a plurality of surfaces that are formed deeper than said extended rear surface and progressively deeper toward said leading-edge side.