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Contour effect in metal-in-gap heads (1990)

Kobayashi, H. ; Inoue, K. ; Kawakami, M. ; [et al.]

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

Journal of Applied Physics 67 (1990), S. 4869-4871

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ISSN: 1089-7550

Source: AIP Digital Archive

Topics: Physics

Notes: The pseudogap in a metal-in-gap head causes ripples in output spectra. This gap is a layer with poor magnetic properties at the boundary between sendust film and a ferrite core. The ripple amplitude reduces as the bonding temperature decreases. It also depends on the ferrite-core crystal orientation. We examined the diffusion at the boundary by Auger-electron spectroscopy and investigated the crystal structure of sendust films by x-ray diffraction. It is proved that diffusion causes the contour effect. The thickness of the diffusion layer at the boundary depends on bonding temperature. It is also found that the diffusion at the boundary and the crystal structures of the sendust film are independent of the crystal orientation of the ferrite cores. Computer-simulation results indicate that the contour effect is a function of the ferrite-core permeability. The permeability varies in accordance with the crystal orientation. The above explains that the contour effect depends on the ferrite-core crystal orientation.

Type of Medium: Electronic Resource

URL: http://dx.doi.org/10.1063/1.344762

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