Magnetic disc reading head having reduced friction with a floppy

Details Magnetic disc reading head having reduced friction with a floppy Magnetic disc reading head having reduced friction with a floppy

1998-04-14

2000-02-29

Heinz, A. J.

Dynamic magnetic information storage or retrieval

Record transport with head stationary during transducing

Drum record

360122, 2960312, G11B 548, G11B 5187, G11B 542

Patent

active

060316896

ABSTRACT:
A floppy disk system is provided which includes a pair of magnetic heads each consisting of a slider with which a magnetic disk moves in contact and a magnetic core which is formed in the slider and has formed therein a magnetic gap. The magnetic heads holds the magnetic disk therebetween to record or reproduce information signals on or from the magnetic disk. The disk contact surface of each of the sliders is polished to have a surface roughness of 2 to 8 nmRa for avoiding the stick-slip between the magnetic heads and the magnetic disk, thereby decreasing the start torque of a spindle motor required for rotating the disk.

REFERENCES:
patent: 5052099 (1991-10-01), Taguchi

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