B - Operations – Transporting – 32 – B
Patent
B - Operations, Transporting
32
B
352/31, 117/24.2
B32B 15/00 (2006.01) G11B 5/64 (2006.01)
Patent
CA 1269895
Abstract of the Disclosure A vertical magnetic recording medium is formed of multiple layers, each layer comprising a cobalt-platinum (CoPt) magnetic film formed on a hexagonal-close-packed (HCP) nucleating film. The thickness of each CoPt film in each layer is sufficiently thin to assure that the film has perpendicular magnetic anisotropy. The magnetic properties of the multilayered magnetic film structure can be varied by varying the thicknesses of the individual films and the number of layers.
532016
Ahlert Richard H.
Howard James K.
Lim Grace S.
Ahlert Richard H.
Howard James K.
International Business Machines Corporation
Kerr Alexander
Lim Grace S.
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