Magneto-optical memory element

Details Magneto-optical memory element Magneto-optical memory element

G - Physics

11

B

352/32, 352/33.3

G11B 7/00 (2006.01) G11B 11/105 (2006.01) G11C 13/06 (2006.01) H01F 10/13 (2006.01)

Patent

CA 1154532

1980-02-04 1 PHD 79-032 ABSTRACT: Magneto-optical memory element. A magneto-optical memory element consisting of a substrate supporting an amorphous layer of an alloy of a rare earth metal-transi- tion metal showing a uniaxial magnetic anisotropy. Such memory elements are suitable for storing digital information in the form of magnetized areas themagnetisation state of which can be read by means of the Kerr effect or Faraday effect. By adding bismuth to the alloy the Kerr rotation and Faraday rotation, respectively, can be increased considerably so that simpler reading of the sotred information is possible.

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