Hall-effect magnetic sensor and a thin-film magnetic head using

Details Hall-effect magnetic sensor and a thin-film magnetic head using Hall-effect magnetic sensor and a thin-film magnetic head using

1995-07-18

1997-08-12

Levy, Stuart S.

Dynamic magnetic information storage or retrieval

Head

Hall effect

257421, 324251, G11B 537, H01L 2982, G01R 3306

Patent

active

056571895

ABSTRACT:
A thin film magnetic head includes a layered semiconductor body formed of a quantum well layer sandwiched by first and second barrier layers, wherein at least one of the first and second barrier layers includes therein a delta-doped layer that shields the quantum well layer from a surface depletion region extending from the surface of the barrier layer.

REFERENCES:
patent: 5093753 (1992-03-01), Friederich et al.
patent: 5543988 (1996-08-01), Brady et al.

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