Thin film magnetic head with improved flux concentration for hig

Superconductor technology: apparatus – material – process – High temperature – per se – Having tc greater than or equal to 150 k

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360119, 360126, 360129, G11B 523, G11B 5187

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active

050752804

ABSTRACT:
Structures of magnetic heads having superconducting shields are disclosed for spatially directing magnetic recording/playback fields. One embodiment is a thin film magnetic head with a layer of superconductor material associated with its throat. Further embodiments provide intertrack shielding and concentration of recording/playback fields into relatively small pole tip regions.

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"Magnetic Shielding by Superconducting Films", R. J. Oakes, J. App. Phys., vol. 33, No. 1 (Jan. 1962).

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