Optical disk and method of manufacturing the same

Details Optical disk and method of manufacturing the same Optical disk and method of manufacturing the same

1993-05-19

1994-03-08

Nguyen, Hoa T.

Dynamic information storage or retrieval

Storage medium structure

Optical track structure

369288, 369284, 369286, G11B 724

Patent

active

052933733

ABSTRACT:
An optical disk having a warp preventive film for preventing the warp of the substrate which does not exfoliate for a long period by forming the warp preventive film on a textured area on the substrate surface with a minute embossment, and a method of manufacturing the optical disk by controlling the plasma etching condition for forming a textured area for reinforcing the bonding force of the warp preventive film on the substrate surface, so that the warp preventive film being bonded after forming the textured area may not exfoliate for a long period.

REFERENCES:
patent: 4710418 (1987-12-01), Takano et al.
patent: 4831608 (1989-05-01), Tsukane et al.
patent: 5013594 (1991-05-01), Mizumura et al.

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