Magnetic head assembly

Details Magnetic head assembly Magnetic head assembly

1980-11-03

1983-03-01

Eddleman, Alfred H.

Dynamic magnetic information storage or retrieval

Head

Core

360119, 360123, G11B 522, G11B 520

Patent

active

043756573

ABSTRACT:
A magnetic head assembly useful as a write head is formed with a ferrite substrate, having a recessed channel on one surface in which a conductive coil is deposited, and a ferrite closure having a planar surface that is joined to the substrate surface to establish a transducing gap and to enclose the recessed coil. In operation, pulsed write current is applied to the write head and a significant reduction in Joule heating is realized. A low resistance substrate is employed to provide a high saturation flux density.

REFERENCES:
patent: 3829896 (1974-08-01), Brock et al.
patent: 4127884 (1978-11-01), Nouchi et al.
patent: 4190872 (1980-02-01), Jones et al.
patent: 4219854 (1980-08-01), Church et al.
patent: 4219855 (1980-08-01), Jones
patent: 4241367 (1980-12-01), Nomura et al.
patent: 4281357 (1981-07-01), Lee

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