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Title:
MAGNETIC RECORDING MEDIUM
Document Type and Number:
Japanese Patent JP2002358631
Kind Code:
A
Abstract:

To improve the recording capacity and to obtain the reproducing output of a magnetic recording signals and optical recording signals and a high signal-to-noise ratio by providing an optical recording layer and a magnetic recording layer in combination on the same surface of a base.

The magnetic recording medium having a nonmagnetic layer containing nonmagnetic pigments and a binder and a magnetic layer containing ferromagnetic powder and the binder in this order on at least one surface of a nonmagnetic base has a photosensitive layer containing an organic dye and nonmagnetic pigments between the nonmagnetic layer and the magnetic layer. The magnetic layer has a light transmittance of ≥30% at the absorption peak wavelength of the organic dye.


Inventors:
EJIRI KIYOMI
NOGUCHI HITOSHI
Application Number:
JP2001166297A
Publication Date:
December 13, 2002
Filing Date:
June 01, 2001
Export Citation:
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Assignee:
FUJI PHOTO FILM CO LTD
International Classes:
G11B5/738; G11B5/70; (IPC1-7): G11B5/738; G11B5/70
Attorney, Agent or Firm:
Sykes Patent Office Corporation (3 people outside)