Optical recording medium and production method therefor

Details Optical recording medium and production method therefor Optical recording medium and production method therefor

2005-04-12

2005-04-12

Huber, Paul W. (Department: 2653)

Dynamic information storage or retrieval

Storage or retrieval by simultaneous application of diverse...

Magnetic field and light beam

C369S013400, C369S286000, C428S064400, C430S270110

Reexamination Certificate

active

06879548

ABSTRACT:
An optical recording medium is provided which has a reflective film, a lower dielectric film, a recording film and an upper dielectric film stacked in this order on a substrate, and is adapted to receive light from the side of the upper dielectric film and reproduce a signal by utilizing at least reflected light from the recording film. The optical recording medium is characterized in that a surface of the recording film at an interface with the upper dielectric film has a surface roughness of not greater than 4 Å.

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patent: 6638597 (2003-10-01), Shinoda et al.
patent: 6677104 (2004-01-01), Mizushima et al.
patent: 6697323 (2004-02-01), Miki
patent: 10-320859 (1998-12-01), None
patent: 2000-306271 (2000-11-01), None

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