Optically readable information disc provided with a reflective o

Details Optically readable information disc provided with a reflective o Optically readable information disc provided with a reflective o

1982-05-17

1985-04-02

Psitos, Aristotelis M.

Dynamic information storage or retrieval

Storage medium structure

Optical track structure

369288, 369284, 3461351, 430321, 430945, G11B 562, G01D 1534

Patent

active

045091617

ABSTRACT:
An optically readable information disc having a reflective optical structure which comprises a reflective layer which is composed of a nitride, carbide or boride of a transition metal selected from the group consisting of titanium, zirconium, hafnium, vanadium, chromium, niobium, molybdenum, lanthanum, tantalum and tungsten.

REFERENCES:
patent: 4430659 (1984-02-01), Maffitt et al.

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