Air-bearing electromagnetic head slider having negative pressure

Details Air-bearing electromagnetic head slider having negative pressure Air-bearing electromagnetic head slider having negative pressure

1995-11-16

1998-03-10

Heinz, A. J.

Dynamic magnetic information storage or retrieval

Record transport with head stationary during transducing

Drum record

G11B 560

Patent

active

057268304

ABSTRACT:
An air-bearing head slider supports an electromagnetic transducer opposed to a rotating recording medium or magnetic disk. The slider includes a slider body having a bottom surface opposed to the rotating magnetic disk, the bottom surface having an air-entry end and an air-delivery end with respect to an air flow generated between the slider body and the rotating recording medium. A central rail is provided on the surface of the slider body at the air-entry end. The central rail extends from the air-entry end and terminates on its way to the air-delivery end. Two side rails are provided on the surface of the slider body at the air-delivery side and extend from the air-delivery end and terminate on their way to the air-entry end. An air flow passage, extending from the air-entry end to the air-delivery end, includes air gaps defined between the central rail and the two side rails and an area on the bottom surface located downstream of the gaps, so that a negative pressure is generated in the downstream area due to the air flow passing through the gaps.

REFERENCES:
patent: 5019930 (1991-05-01), Takeya
patent: 5091810 (1992-02-01), Kakizaki et al.
patent: 5309303 (1994-05-01), Hsia et al.
patent: 5317465 (1994-05-01), Chapin et al.
patent: 5353180 (1994-10-01), Murray
patent: 5406432 (1995-04-01), Murray
patent: 5490025 (1996-02-01), Dorius et al.
patent: 5499149 (1996-03-01), Dovek

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