Optically readable information disk

Details Optically readable information disk Optically readable information disk

1981-10-13

1983-10-18

Bell, James J.

Dynamic information storage or retrieval

Storage medium structure

Optical track structure

428 64, 428 65, 369284, 369288, B32B 302

Patent

active

044109784

ABSTRACT:
Optionally readable information disk in which the information track is situated in a radiation-cured lacquer layer comprising at least 50% by weight of a diacrylate, triacrylate or a mixture thereof and which the cured lacquer layer has a high indentation hardness.

REFERENCES:
patent: 4125654 (1978-11-01), Kaneko et al.
patent: 4188433 (1980-02-01), Dijkstra et al.
patent: 4272544 (1981-06-01), Lippits et al.
patent: 4318112 (1982-03-01), Kivits et al.

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