Dynamic magnetic information storage or retrieval – Head – Hall effect
Patent
1992-06-23
1994-06-21
Kwon, John T.
Dynamic magnetic information storage or retrieval
Head
Hall effect
338 32R, G11B 530
Patent
active
053232852
ABSTRACT:
A shorted dual MR head which is magnetically shielded for the purpose of isolating the dual MR head from extraneous magnetic fields and from long wavelength recorded signals which could cause nonlinear distortion of the dual MR head but not shielded for the purpose of improving linear resolution. The magnetic shields do not significantly affect linear resolution of the dual MR head and can be spaced apart from the dual MR head over a wide range of separation distances limited by factors other than the characteristic bit length of the magnetic signal to be resolved. In one embodiment, at least one shielding element for the dual MR head can be one of the poles or other components of an inductive record head and, together, the two heads can form an integrated thin-film inductive record/MR reproduce head assembly.
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Eastman Kodak Company
Holloway William W.
Kwon John T.
Robbins Daniel
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