Magnetic head slider with U-shaped and/or V-shaped portions

Details Magnetic head slider with U-shaped and/or V-shaped portions Magnetic head slider with U-shaped and/or V-shaped portions

1997-06-05

2000-06-06

Korzuch, William R.

Dynamic magnetic information storage or retrieval

Record transport with head stationary during transducing

Drum record

G11B 560

Patent

active

060726628

ABSTRACT:
In a flying type magnetic head slider which has an air bearing surface and flies over a magnetic disk surface on an air film bearing, two rail portions having a U-shape and/or V-shape are formed on the air film bearing surface. These rail portions are in upstream and downstream sides of the air flow, respectively. Each rail is arranged such that its convex portion faces an air upstream side and a recessed region is formed in an air downstream side. By producing negative pressure in at least two recessed regions defined by the rail portions, variations in flying height at a position on a recording medium are suppressed. Further, by changing the depths of each recessed portion, the negative pressure is controlled and variations in pitch angle and roll angle are suppressed.

REFERENCES:
patent: 5406432 (1995-04-01), Murray
patent: 5606476 (1997-02-01), Chang et al.
patent: 5704715 (1998-01-01), Chang et al.

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