Air bearing head slider having first and second leading edge tapered portions

摘要

An air bearing head slider for a magnetic disk apparatus. The head slider includes outside rails, and each of the outside rails includes a flat portion forming an air bearing surface, a first leading edge tapered portion formed at an air inflow edge of the head slider, and a second leading edge tapered portion formed between the first leading edge tapered portion and the flat portion. The first tapered portion is inclined with respect to the flat portion by a first angle, and the second tapered portion is inclined with respect to the flat portion by a second angle.