Patent ID: 6477013
Filing Date: 2002-11-05
Classification: G11B,Y10S

Abstract:
A slider, comprising:a slider body having a surface with a leading edge, a trailing edge and first and second side edges; first and second front air bearings positioned at the leading edge of the slider body along the first and second side edges, the first and second front air bearings including first and second front pads and a height selected for a predetermined fly height and second stepped surface side rails having a height selected to be substantially equal to an ion-mill height; a rear pad extending from the trailing edge and located substantially centrally between said sides of said slider, the rear pad including stepped surfaces having a height selected to be substantially equal to an ion-mill height; a negative pressure cavity positioned in the center of the slider body between the side rails; and a center pad having a height selected to be substantially equal to an ion-mill height, the center pad having a good reflective area for writing of laser field slider curvature measurements while insubstantially affecting fly height, the center pad being positioned at the center of the slider within the negative pressure cavity.