Head arrangement for perpendicular recording information on a ma

Details Head arrangement for perpendicular recording information on a ma Head arrangement for perpendicular recording information on a ma

1977-11-25

1979-02-06

Tupper, Robert S.

Dynamic magnetic information storage or retrieval

Head

Core

360121, 360129, G11B 514, G11B 5115, G11B 527

Patent

active

041387023

ABSTRACT:
An arrangement for recording information on a magnetic record carrier, having at least one magnetic recording head which incorporates an electromagnet having a core, wherein said arrangement includes a magnetic shunt, said magnetic shunt and the magnetic core of the electromagnet being adapted to be arranged on either side of said record carrier and close thereto, so as to form a closed magnetic circuit in which the magnetic flux is substantially perpendicular to the surface of the carrier, the said core having a recording pole and a flux-closing pole and the cross-section of the recording pole being smaller than that of the flux-closing pole.

REFERENCES:
patent: 3427408 (1969-02-01), Lempert et al.
patent: 3486220 (1969-12-01), Braun et al.
patent: 3810191 (1974-05-01), Stauffer

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