Optical recording element

Details Optical recording element Optical recording element

1987-01-21

1988-03-15

Stephan, Steven L.

Dynamic information storage or retrieval

Storage medium structure

Layered

369286, G11B 700

Patent

active

047317809

ABSTRACT:
An optical recording element comprising an assembly of two parallel substrate plates made from a transparent synthetic resin and each comprising on their facing sides a recording layer which comprises a guide track in the form of a spiral-like groove, and a foil of sythetic resin which with both major surfaces engages or substantially engages the ridges of the recording layers present between the groove turns.

REFERENCES:
patent: 4363844 (1982-12-01), Lewis et al.
patent: 4441179 (1984-04-01), Slaten

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