Magneto-optical recording element

Dynamic information storage or retrieval – Storage or retrieval by simultaneous application of diverse... – Magnetic field and light beam

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369 14, 156643, 427 38, 427131, 430945, G11B 724, G11B 564

Patent

active

046807420

ABSTRACT:
In a magneto-optical recording element comprising a substrate, a magnetic layer and a dielectric layer, the dielectric layer is formed by deposition of a composition comprising Si.sub.3 N.sub.4 and a refractive index-improving agent such as Al.sub.2 O.sub.3 or Y.sub.2 O.sub.3. This dielectric layer has a high refractive index and the enhancement effect is improved. Moreover, this dielectric layer is excellent in the adhesion and resistance characteristics.

REFERENCES:
patent: 3600218 (1971-08-01), Pennebaker
patent: 4517257 (1985-05-01), Shimuzu et al.
patent: 4544443 (1985-10-01), Ohta et al.
patent: 4610912 (1986-09-01), Takahashi et al.

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