Magnetic writing transducer for transverse recording

Details Magnetic writing transducer for transverse recording Magnetic writing transducer for transverse recording

1985-12-20

1988-04-12

Heinz, A. J.

Dynamic magnetic information storage or retrieval

Head

Plural gaps

360123, G11B 5265

Patent

active

047378735

ABSTRACT:
A magnetic transducer is proposed for transverse recording on at least one track (PI.sub.1) of a data carrier (SMI.sub.1), comprising a magnetic circuit embodied by at least one writing pole (DCI.sub.1) coupled with a coil (BOBI.sub.1). According to the invention, the writing pole is a central pole surrounded by two auxiliary lateral poles (PLI.sub.1.1 and PLI.sub.1.2), separated from each of them by an air gap (ENI.sub.1, ENI.sub.2) such that the central pole records each cell of a given track with a given direction of magnetization, and the auxiliary poles record, on both sides of this cell, two lateral cells the magnetization of which is parallel and in the same direction and is opposite that of the central cell. The invention is applicable to magnetic disks.

REFERENCES:
patent: 3092815 (1963-06-01), Hinze

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