The present invention is directed to stabilize the flying height at a constant level and prevent head crashes. Indented portions 104 and 105 are formed shorter than rail portions 101 and 102. Rear rail surfaces 113 and front rail surfaces 112 are formed at the slider 1 with middle rail surfaces 111 formed between them. The rear rail surfaces 113 and the front rail surfaces 112 each include a first surface (L1) whose surface width is determined by the entire width W01 or W02 of the rail portion 101 or 102 and a second surface (L3) whose surface width is gradually reduced starting from the surfaces width W01 or W02 of the first (L1) toward the surface width W11 or W12 of the middle rail surfaces 111. The requirements, i.e., L1.ltoreq.2.5% of L0 and L1<L2.ltoreq.15% of L0 are satisfied for the length L1 of the first surfaces (L1), the length L2, that includes the first surfaces (L1) and the second surfaces (L3) and the entire length L0 of the rail portions 101 and 102.
A system for modeling air bearing designs for heads of a data storage system The modeling system includes user definable surface contours for mask surfaces. The system generates integrated surface functions for the mask surfaces based upon the user defined mask surface contours. The system includes a user definable depth dimension for the mask surface functions and the integrated mask surface functions and dimension parameter for the mask surfaces are compiled to simulate a modeled air bearing structure for performance analysis and evaluation. The integrated mask surface functions are used to define the multiple mask tiers for slider fabrication.
A magnetic head slider having an air inlet end an an air outlet end, and includes a pair of rails formed on a disk opposing surface opposed to a magnetic disk, each of the rails having a flat air bearing surface for generating a flying force during rotation of the disk, and an electromagnetic transducer formed on one of the rails in the vicinity of the air outlet end. The magnetic head slider further includes a plurality of streamlined pads formed on the air bearing surfaces of the rails in the vicinity of the air inlet end and in the vicinity of the air outlet end.
A novel tri-pad head slider includes a slider body having an air bearing surface and leading and trailing edges with first and second sides extending from the leading edge to the trailing edge; first and second side pads formed on the air bearing surface of the slider body, and disposed at respective first and second sides of said slider body to extend from the leading edge toward the trailing edge of the slider body; and a third pad disposed at the rear center of said slider body at the trailing edge to extend from the trailing edge toward the leading edge of the slider body. Each of the first and second side pads has an opposite tapered portion integrally formed therein and tapered toward the leading and trailing edges of the slider body at predetermined angles for introducing air flow caused by rotation of a disk and reduction of air pressure generated when the slider head takes off from and lands on the disk.
