Textured slider surface

Details Textured slider surface Textured slider surface

1997-04-28

1998-09-29

Heinz, A. J.

Dynamic magnetic information storage or retrieval

Record transport with head stationary during transducing

Drum record

G11B 560

Patent

active

058153462

ABSTRACT:
A method of texturing the slider surface of a magnetic head, or the surface of a disk, with a laser. The laser is focused onto the hard disk drive component and a groove is ablated from the working surface. The steps of focusing and ablating can be repeated to create a pattern of grooves in the head and/or disk. The grooves are defined by a wall(s) that is perpendicular to a bottom surface of the groove.

REFERENCES:
patent: 4646180 (1987-02-01), Ohtsubo
patent: 5079657 (1992-01-01), Aronoff
patent: 5309303 (1994-05-01), Hsia

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