Magnetic head assembly

Details Magnetic head assembly Magnetic head assembly

1990-06-08

1991-08-27

Heinz, A. J.

Dynamic magnetic information storage or retrieval

Record transport with head stationary during transducing

Drum record

360103, 360122, G11B 548

Patent

active

050438336

ABSTRACT:
A magnetic head assembly comprises a base defined with a flat slide surface on which a magnetic disk is contacted and a magnetic core embedded on the base surface so as to form a flush surface on the slide surface. The slide surface extends in a direction of rotation of the magnetic disk for a length B and has a width A in which the ration B/A is chosen equal to or larger than 4. The length B is set so as to satisfy a relation 0.35 m.ltoreq.B.ltoreq.0.55 m, where m is the length of an access opening in the housing for the disk in the rotational direction of the disk. At the same time, the slide surface is finished with such a precision that the slide surface shows a specular gloss. With such a magnetic head, the vibration of magnetic head assembly associated with rotation of the magnetic disk is successfully suppressed.

REFERENCES:
patent: 4835640 (1989-05-01), Endo
Saishin Denshi Zairyo-gaku (Updated Electronic Materials), published from Fukkan Publishing Company of Tainan City, Taiwan in 1983.

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