Air bearing slider having etched and shaped leading edge taper

Details Air bearing slider having etched and shaped leading edge taper Air bearing slider having etched and shaped leading edge taper

1997-05-19

1998-05-19

Evans, Jefferson

Dynamic magnetic information storage or retrieval

Record transport with head stationary during transducing

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G11B 560

Patent

active

057543674

ABSTRACT:
The air bearing surface (ABS) of an air bearing slider is formed with etched pads and a leading edge shaped shallow etch step taper region that extends continuously between first and second sides of the slider. A first pad is formed on the slider and extends from the trailing edge between the first side and a central axis and has a first extension at the step taper region. The first extension has a leading edge that is angled toward the first side of the slider. A second pad is formed on the slider and extends from the trailing edge between the second side and the central axis and has a second extension at the step taper region. The second extension has a leading edge that is angled inwardly toward the central axis. The first pad and the second pad provide an air bearing surface (ABS) for the slider. A deep central recess is bounded by the first pad, the second pad, and the step taper region. The design realizes constant flying attitudes, fast takeoff, less sensitivity to disk velocity and skew angle, and less sensitivity to altitude variation.

REFERENCES:
patent: 4996614 (1991-02-01), Okutsu
patent: 5287235 (1994-02-01), Cunningham et al.
patent: 5343343 (1994-08-01), Chapin
patent: 5359480 (1994-10-01), Nepela et al.
patent: 5396386 (1995-03-01), Bolasna et al.
patent: 5508862 (1996-04-01), Lazzari et al.
patent: 5654853 (1997-08-01), Hagen
patent: 5677812 (1997-10-01), Cha

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