Magneto-resistive head for protecting against output spike noise

Details Magneto-resistive head for protecting against output spike noise Magneto-resistive head for protecting against output spike noise

1986-02-11

1989-01-31

Tupper, Robert S.

Dynamic magnetic information storage or retrieval

Head

Hall effect

G11B 527

Patent

active

048020435

ABSTRACT:
The present invention relates to the structure of a magneto-resistive head for reducing the spike noises generated in the head and for increasing the signal to noise ratio when the information is reproduced. In order to achieve the object, an electric conductor layer is disposed at both sides or one side of a magneto-resistive element, and the conductor layer is isolated from the element and connected to a DC potential.

REFERENCES:
patent: 4277808 (1981-07-01), Nagaki
patent: 4317149 (1982-02-01), Elser et al.
patent: 4503394 (1985-03-01), Kawakami et al.
patent: 4516179 (1985-05-01), Imakooki et al.
patent: 4523243 (1985-06-01), Billington
patent: 4626946 (1986-12-01), Vinal
IBM Technical Disclosure Bulletin vol 21, No. 11, Apr. 1979 Electrostatic Shielding for Magneto Resistive Read Heads, Rohen.

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