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Title:
光記録媒体及び光記録/再生方法
Document Type and Number:
Japanese Patent JP4132930
Kind Code:
B2
Abstract:

To provide an optical recording medium which is not color faded by environmental light, such as indoor light.

The optical recording medium having an optical memory layer containing a photochromic compound comprises providing the optical recording medium with a cut layer capable of substantially shielding the light of a wavelength region where a single photon photochromic reaction is induced and of transmitting the light of the wavelength at which the two-photon photochromic reaction of the photochromic compound can be induced and the recording/ reproducing method for the same.

COPYRIGHT: (C)2004,JPO


Inventors:
Masahiro Irie
Application Number:
JP2002107798A
Publication Date:
August 13, 2008
Filing Date:
April 10, 2002
Export Citation:
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Assignee:
Japan Science and Technology Agency
International Classes:
G03C5/56; G11B7/004; G11B7/24; G11B7/244
Domestic Patent References:
JP7248570A
JP2002334480A
JP2001522119A
JP2001507137A
JP3171443A
JP6259809A
Attorney, Agent or Firm:
Norio Saeki