Optical disk having first design visible from one side of the di

Details Optical disk having first design visible from one side of the di Optical disk having first design visible from one side of the di

1997-07-30

1999-11-09

Neyzari, Ali

Dynamic information storage or retrieval

Storage medium structure

Optical track structure

3692753, G11B 724

Patent

active

059827378

ABSTRACT:
In an optical disk, a display area is formed between the circumference of a recorded area and the circumference of the maximum area to which a recorded area can be provided. A reflective layer is formed covering the recorded area 3 and covering the display area forming a transparent display area at least in part of the display area. And to the transparent display area, a print layer is provided. According to this composition, there is provided the transparent display area without the reflective layer in the optical disk with a recorded area of a small diameter. Therefore, discrimination of the size or diameter of a record area of 12 cm CDs is made easier, and the print layer provided to the transparent display area can be seen from both sides of the optical disk.

REFERENCES:
patent: 5509991 (1996-04-01), Choi
patent: 5608718 (1997-03-01), Schiewe
patent: 5675570 (1997-10-01), Ohira et al.
patent: 5751671 (1998-05-01), Koike et al.
patent: 5751690 (1998-05-01), Ohira et al.

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