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A new concept of magnetic thin-film heads with superconductors (1988)

Chen, Y. X. ; Yan, D. R. ; Xie, Y. ; [et al.]

[S.l.] : American Institute of Physics (AIP)

Journal of Applied Physics 64 (1988), S. 6026-6028

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ISSN: 1089-7550

Source: AIP Digital Archive

Topics: Physics

Notes: A new concept of the thin-film heads for magnetic recording introduced in this paper is to use the superconductive film as a perfect diamagnet to be the gap medium between the two magnetic poles of a thin-film ring head for the longitudinal magnetic recording. By using the finite-element method, the magnetic field and its distribution for the new designed ring head with a single-layer superconductive film or multilayer structure as the medium between the magnetic poles is calculated. The results show that the diamagnetic film in the gap not only increases the amplitude of the magnetic field in front of the magnetic poles, but also makes the distribution of the magnetic field much sharper, and the amplitude of the field is less influenced by the throat height of the pole tip as well.

Type of Medium: Electronic Resource

URL: http://dx.doi.org/10.1063/1.342139

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