Platinum/cobalt multilayer film for magneto-optical recording

Details Platinum/cobalt multilayer film for magneto-optical recording Platinum/cobalt multilayer film for magneto-optical recording

1991-07-15

1992-04-21

Zimmerman, John J.

Stock material or miscellaneous articles

All metal or with adjacent metals

Composite; i.e., plural, adjacent, spatially distinct metal...

428668, 428670, 428928, 369288, G11B 724, G11B 1114

Patent

active

051067030

ABSTRACT:
An improved sputtering process for making a platinum/cobalt (Pt/Co) multilayer film comprised of alternating layers of platinum and cobalt, said improvement comprising using as the sputter gas krypton, xenon or a mixture thereof.

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Y. Ochiri et al., "Magneto-Optical Properties in Ultrathin Co/Pd and Co/Pt Multilayer Films", Japanese J. of Appl. Phys., vol. 28, No. 4, Apr. 1989, pp. L659-L660.
F. J. A. M. Greidanus et al., "Thermomagnetic Writing in Thin Co/Pt Layered Structures", Appl. Phys. Lett. 54(24), 12 Jun. 1989, American Institute of Physics, pp. 2481-2483.
W. B. Zeper et al. "Perpendicular Magnetic Anistropy and Magneto-Optical Kerr Effect of Vapor-Deposited Co/Pt-Layered Structures", J. Appl. Phys. 65(12), 15 Jun. 1989, American Institute of Physics, pp. 4971-4975.
S. Hashomoto et al., "Perpendicular Magnetic Anisotropy and Magnetostriction of Sputtered Co/Pd and Co/Pt Multilayered Films", J. Appl. Phys. 66(10), 15 Nov. 1989, American Institute of Physics, pp. 4909-4916.

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