Method for providing uniaxial anisotropy in magnetic recording d

Details Method for providing uniaxial anisotropy in magnetic recording d Method for providing uniaxial anisotropy in magnetic recording d

1990-12-26

1992-09-15

Pianalto, Bernard

Coating processes

Electrical product produced

Integrated circuit, printed circuit, or circuit board

427128, 427129, 427131, 427132, 428 64, 428694, 428900, B05D 314

Patent

active

051476797

ABSTRACT:
A method and apparatus for providing radial uniaxial anisotropy in the soft magnetic layer of a magnetic recording disk is disclosed. While the soft magnetic layer is being deposited on the recording disk, the magnetic field. The alternating perpendicular magnetic field causes eddy currents to flow in the disk, in a circumferential direction. The eddy currents, in turn cause a magnetic field in a radial direction, thereby resulting in the desired radial uniaxial anisotropy.

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