Patent ID: 7417829
Filing Date: 2008-08-26
Classification: G11B

Abstract:
1. A head slider accessing a disk medium comprising: a parallelepiped-shaped slider base having a flat flying surface facing said disk medium; a flat first step formed at an air inlet end of said flying surface in such a manner as to be stepped from said flying surface; a flat second step formed only on said flat first step in such a manner as to be stepped from said flying surface; a vacuum area formed at a downstream end of an air flow flowing from said first and second steps on said flying surface; at least a groove formed on only a portion of said flat first step for introducing air to said vacuum area formed in said second step; wherein the width of said groove continuously expands between the air inlet end and the air outlet end of said groove, and a trailing edge of said flat first step is closer to a trailing edge of said slider base than a trailing edge of said flat second step.