Magnetic head assembly for a flexible magnetic disk drive unit

Details Magnetic head assembly for a flexible magnetic disk drive unit Magnetic head assembly for a flexible magnetic disk drive unit

1987-05-27

1989-08-15

Wolff, John H.

Dynamic magnetic information storage or retrieval

Record transport with head stationary during transducing

Disk record

360122, 36013034, G11B 522

Patent

active

048580430

ABSTRACT:
A magnetic head assembly for a flexible magnetic disk drive unit has a magnetic recording and retrieving head for carrying out magnetic recording onto and retrieving from a metallic thin-film type flexible magnetic medium rotating about a center of the medium by coming into contact with the medium at a contact position, a first group of non-magnetic supporting pads arranged to support a plurality of positions of the flexible magnetic medium and disposed so as to surround the contact position, and a second group of non-magnetic suppressing pads in contact with a different plurality of positions of the flexible magnetic medium outward of the plurality of supporting positions so that the suppressing pads suppress any undulation of the flexible magnetic medium during rotation of the medium. The support pads and the magnetic recording and retrieving head may be formed with a recess, respectively, for trappng dust and other foreign materials, thereby preventing an accumulation of dust and other foreign materials between the head and the medium.

REFERENCES:
patent: 3990111 (1976-11-01), Elliott
patent: 4652960 (1987-03-01), MacDonald, II
patent: 4710831 (1987-12-01), Nishimura

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