Magnetic head with clamping erase back core

Details Magnetic head with clamping erase back core Magnetic head with clamping erase back core

1983-06-30

1986-10-21

Wolff, John H.

Dynamic magnetic information storage or retrieval

Head

Erase

360 66, 360121, G11B 527

Patent

active

046189025

ABSTRACT:
In a magnetic head having a write/read layer for writing and reading data, erase layers for erasing edge portions of recording newly written in a writing operation and recording previously written, and an erase-back core, the improvement wherein the erase-back core is made of metal magnetic material and has side clamping pieces for clamping the core on both sides of the erase layers.

REFERENCES:
patent: 3412216 (1968-11-01), Rosado et al.
patent: 4110804 (1978-08-01), Castrodale et al.
patent: 4152742 (1979-05-01), Kronfeld
patent: 4276574 (1981-06-01), Baasch et al.

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