Hard disk drive having partial contact magnetic recording slider

Details Hard disk drive having partial contact magnetic recording slider Hard disk drive having partial contact magnetic recording slider

1993-05-28

1995-05-30

Wolff, John H.

Dynamic magnetic information storage or retrieval

Record transport with head stationary during transducing

Drum record

G11B 560, G11B 1732

Patent

active

054207355

ABSTRACT:
The slider is configured with a relatively wide cross-cut relief slot and a longitudinal angled relief slot. In combination, the two slots limit upward air bearing surface force to allow the slider to intermittently contact the disk. By maintaining the slider either in contact with the disk or closely adjacent to the disk, high recording densities are achieved. By ensuring that the slider is only in intermittent contact with the disk, slider and disk wear is kept to an acceptable minimum. The longitudinal relief slot also operates to stabilize the slider and prevent substantial roll affects.

REFERENCES:
patent: 4081846 (1978-03-01), Roscamp et al.
patent: 4636894 (1987-01-01), Mo
patent: 4819091 (1989-04-01), Brezoczky et al.
patent: 4870519 (1989-09-01), White
patent: 5019930 (1991-05-01), Takeya
patent: 5097369 (1992-03-01), Matsuzaki
patent: 5097370 (1992-03-01), Hsia
patent: 5220470 (1993-06-01), Ananth et al.

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