Optical recording medium, its preparation and its use as a read

Details Optical recording medium, its preparation and its use as a read Optical recording medium, its preparation and its use as a read

1986-12-16

1989-05-09

Faber, Alan

Dynamic information storage or retrieval

Storage medium structure

Optical track structure

3461351, 346 76L, 369288, 428 64, 428 65, G11B 724, G11B 726

Patent

active

048295094

ABSTRACT:
An optical recording medium containing a storage layer and, if required, one or two substrate layers, the storage layer containing graphite as the storage material, a process for the production of the novel optical recording medium, and its use as a Read Only Memory information carrier.

REFERENCES:
patent: 3404061 (1968-10-01), Shane et al.
patent: 3656175 (1972-04-01), Carlson et al.
patent: 3954469 (1976-05-01), Avanzado et al.
patent: 4245003 (1981-01-01), Oransky et al.
patent: 4363844 (1982-12-01), Lewis et al.
patent: 4588674 (1986-05-01), Stewart et al.
patent: 4626493 (1986-12-01), Butters et al.
Sigri Elektrographit GmbH, Graflex.RTM. flexibler Graphit (6 pages).
Kirk-Othmer, Encyclopedia of Chemical Technology, 3rd Ed., 1981, vol. 16, pp. 731 and 741.
Ullmanns Encyklopadie der technischen Chemie, 4th Ed., vol. 14, pp. 616, 617.

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