Data recording medium and method of manufacturing the same

Details Data recording medium and method of manufacturing the same Data recording medium and method of manufacturing the same

1990-06-28

1992-04-07

Ryan, Patrick J.

Stock material or miscellaneous articles

Circular sheet or circular blank

Recording medium or carrier

428 76, 428457, 428913, 346 76L, 3461351, 369288, 430945, B32B 300

Patent

active

051027089

ABSTRACT:
A data recording medium includes a substrate, an undercoat layer formed on the substrate by plasma polymerization using a source gas containing fluorocarbon, and a recording layer formed on the undercoat layer and containing a metal selected from the group consisting of Ag, Au, and Cu, Te, C, and H, data being recorded in the recording layer by forming pits therein. A method of manufacturing a data recording medium includes forming an undercoat layer on a substrate by plasma polymerization using a source gas containing fluorocarbon, and forming a recording layer containing a metal selected from the group consisting of Ag, Au, and Cu, Te, C, and H by reactive sputtering in an atmosphere of a gas mixture of an Ar gas and a hydrocarbon gas.

REFERENCES:
patent: 3720784 (1973-03-01), Maydan et al.
patent: 4373004 (1983-02-01), Asano et al.
patent: 4433340 (1984-02-01), Mashita et al.
patent: 4906556 (1990-03-01), Nishikawa et al.
N. J. Mazzeo et al., "Fabrication and Testing of Trilayers with a High Deposition Rate Plasma-Polymerized Spacer", Thin Solid Films, 108 (1983), pp. 365-371.
J. I. Gittleman et al., "High Performance Al:Polymer:Al Trilayer Optical Disc II", RCA Review, 47, 67 (1986).

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