Optical information recording medium

Details Optical information recording medium Optical information recording medium

2008-01-29

2008-01-29

Nguyen, Hoa T. (Department: 2627)

Dynamic information storage or retrieval

Storage medium structure

Optical track structure

C369S288000

Reexamination Certificate

active

10923699

ABSTRACT:
An optical information recording medium which is capable of performing high-density recording of record data, and storing the recorded data for a long time period such that the recorded data can be normally reproduced during the long time period. An optical information recording medium has a recording layer formed on a substrate, for having a laser beam irradiated thereto for recording and reproduction of record data. The recording layer includes a first sub-recording film and a second sub-recording film. The first sub-recording film is formed of a first material containing Si as the main component. The second sub-recording film is formed of a second material containing Cu as the main component and having Au added thereto, and disposed in the vicinity of the first recording film.

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