Magneto-optic memory

Details Magneto-optic memory Magneto-optic memory

G - Physics

11

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352/32.4

G11B 5/72 (2006.01) G11B 5/64 (2006.01) G11B 11/10 (2006.01) G11B 11/105 (2006.01) H02K 1/02 (2006.01)

Patent

CA 1301923

- 13- MAGNETO-OPTIC MEMORY Abstract Certain magnetic alloys are useful for a variety of applications including for magneto-optic memory storage media (optical disks). These magnetic alloys are difficult to protect against composition alteration through such processes as corrosion, oxidation, diffusion, etc. The invention is a multiple-layer structure which protects the magnetic alloys against diffusion as well as corrosion and oxidation without affecting performance of the magnetic alloy in the opticaldisk. Such magnetic memory storage devices exhibit high bit density and long life. They are erasable and inexpensive and highly advantageous for use in high-bit memory storage devices.

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