Optical recording medium and method for producing such an...

Details Optical recording medium and method for producing such an... Optical recording medium and method for producing such an...

2006-04-25

2006-04-25

Assaf, Fayez G. (Department: 2872)

Optical: systems and elements

Holographic system or element

Having particular recording medium

C359S001000, C359S900000, C430S001000

Reexamination Certificate

active

07034970

ABSTRACT:
The present invention relates to a method for producing an optical recording medium. In the method, on the surface of a recording layer formed by spin-coating a first coating solution containing a photo-isomerizable component, a second coating solution that contains a photo-isomerizable component that can be isomerized by radiation having the same wavelength as radiation used for isomerizing the photo-isomerizable component contained in the recording layer and incapable of dissolving the recording layer is spin-coated to form an intermediate layer. Since the intermediate layer thus formed cannot be dissolved by the first coating solution, a recording layer is further laminated on this layer. Thus, it becomes possible to make the recording layer thicker and also to provide a high-density recording characteristic.

REFERENCES:
patent: 5162927 (1992-11-01), Moss et al.
patent: 5282066 (1994-01-01), Yu et al.
patent: 6322932 (2001-11-01), Colvin et al.
patent: 2003/0156523 (2003-08-01), Wu et al.
patent: A 11-250496 (1999-09-01), None

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