Magnetic head having a groove between high and low track density

Details Magnetic head having a groove between high and low track density Magnetic head having a groove between high and low track density

1991-08-23

1993-08-10

Wolff, John H.

Dynamic magnetic information storage or retrieval

Record transport with head stationary during transducing

Drum record

360 9901, 360104, 360122, G11B 548

Patent

active

052354830

ABSTRACT:
A magnetic head device incorporated in magnetic recording and playback equipment for recording and reproducing information from a magnetic disk. The device has a magnetic head which is formed with a plurality of grooves in the surface thereof that is to face a magnetic disk. The grooves reduce the friction acting between the head and the disk during operation and thereby allows the head to slide on the disk stably with a minimum of spacing loss.

REFERENCES:
patent: 4888657 (1989-12-01), Lacey et al.
patent: 4912582 (1990-03-01), Gomi et al.

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