Magnetooptical recording medium

Details Magnetooptical recording medium Magnetooptical recording medium

G - Physics

11

B

42/2, 75/35

G11B 13/04 (2006.01) G11B 5/64 (2006.01) G11B 11/10 (2006.01) H01F 10/12 (2006.01)

Patent

CA 1298704

72932-6 ABSTRACT OF THE DISCLOSURE Disclosed is a magnetooptical recording medium which includes a substrate and magnetooptical recording film comprising, (i) Pt and/or Pd, (ii) rare earth element (RE), and (iii) Fe and/or Co, wherein Pt and/or Pd is present in an amount of more than 10 atom% but not more than 30 atom%, Fe and/or Co is present in an amount of at least 40 atom% but not more than 70 atom%, and a Co/(Fe + Co) ratio [atomic ratio] is 0-0.3. The magnetooptical recording medium of the present invention is excellent in resistance to oxidation and is capable of being used over a long period of time and, moreover, it is large in C/N ratio and low in noise level, and excellent in bias magnetic field dependability.

569719

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