Magnetic reading and writing head with magnetoresistant element

Details Magnetic reading and writing head with magnetoresistant element Magnetic reading and writing head with magnetoresistant element

1990-12-31

1992-12-01

Severin, David J.

Dynamic magnetic information storage or retrieval

Head

Hall effect

G11B 530

Patent

active

051684080

ABSTRACT:
In order to improve the sensitivity of the head when reading, without excessively reducing its efficiency when writing, the magnetic circuit used is left open. The reading flux then re-closes, essentially across the magnetoresistant element (MR).

REFERENCES:
patent: 3887945 (1975-06-01), Nepela et al.
patent: 4698711 (1987-10-01), Vinal
patent: 4797766 (1989-01-01), Enz
patent: 4803581 (1989-02-01), Kira et al.
patent: 4816947 (1989-03-01), Vinal et al.

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