Method of reading data of magneto-optical recording medium which

Details Method of reading data of magneto-optical recording medium which Method of reading data of magneto-optical recording medium which

1998-05-20

1999-06-29

Edun, Muhammad N.

Dynamic information storage or retrieval

Specific detail of information handling portion of system

Radiation beam modification of or by storage medium

369277, G11B 700

Patent

active

059177993

ABSTRACT:
In a magneto-optical recording medium which includes a guide groove portion having a land area, a groove area, and a boundary area between the land area and the groove area, both of the land area and the groove area may have a V-shaped cross-section. At least one of the land area and the groove area may have a protruding portion which is formed in parallel to the guide groove portion and which has a width which is less than a half of a wavelength of a read laser beam.

REFERENCES:
patent: 5084860 (1992-01-01), Maeda et al.
patent: 5144552 (1992-09-01), Abe
patent: 5191564 (1993-03-01), Hosokawa

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