Optical recording medium and method of manufacturing thereof

Details Optical recording medium and method of manufacturing thereof Optical recording medium and method of manufacturing thereof

1990-02-08

1991-08-13

Beck, Shrive

Coating processes

Optical element produced

427124, 427164, 427250, C23C 1414, C23C 1420, C23C 1454

Patent

active

050395580

ABSTRACT:
An optical disk and method of preparing it in which a macromolecular substrate has information bits mechanically formed on its surface and a reflective metallic reflective film is deposited thereover. The grain size of the metallic reflective film is kept to less than 50 nanometers by depositing at a rate of no more than 1.5 nanometers per second.

REFERENCES:
patent: 4017890 (1977-04-01), Howard et al.
patent: 4126726 (1978-11-01), Soeding
patent: 4188433 (1980-02-01), Dijkstra et al.
patent: 4363844 (1982-12-01), Lewis et al.

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