Optical information recording disk

Details Optical information recording disk Optical information recording disk

1985-08-19

1987-07-28

Stephan, Steven L.

Dynamic information storage or retrieval

Storage medium structure

Layered

369286, G11B 724

Patent

active

046835628

ABSTRACT:
An optical information recording disk comprising a reinforcement disk provided with circumferential banks of spacers and a pair of substrates sandwiching the disk to cover a information bearing layer and spaces therebetween which is of sufficient strength to support itself against deflection when loaded for playing in the player.

REFERENCES:
patent: 4564850 (1986-01-01), Kazuharu

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