Eddy currents in conducting magnetic recording media

Use of metallic magnetic recording media raises the possibility that medium eddy currents will influence the recording process. The mathematical analog to diffusion of heat allows exact solutions for cases approximating those of interest. Eddy current effects are shown to be negligible for usual thi...

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Bibliographic Details
Published in:IEEE transactions on magnetics 1983-01, Vol.19 (1), p.51-53
Main Author: Maloney, W.
Format: Article
Language:English
Subjects:
Cobalt
Eddy currents
Geometry
Magnetic fields
Magnetic heads
Magnetic recording
Maxwell equations
Perpendicular magnetic recording
Space heating
Thermal conductivity
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Summary:Use of metallic magnetic recording media raises the possibility that medium eddy currents will influence the recording process. The mathematical analog to diffusion of heat allows exact solutions for cases approximating those of interest. Eddy current effects are shown to be negligible for usual thicknesses of longitudinal and perpendicular media.
ISSN:0018-9464
1941-0069
DOI:10.1109/TMAG.1983.1062221