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Title:
OPTICAL RECORDING MEDIUM AND OPTICAL RECORDING METHOD
Document Type and Number:
WIPO Patent Application WO/2003/070479
Kind Code:
A1
Abstract:
An optical recording medium for recording/reproducing information with a light having a wavelength of 600 nm or less. The medium has favorable recording/reproducing characteristics and comprises a substrate and a recording layer formed on the substrate and containing a recording material of a transition metal incomplete oxide. Information is recorded/reproduced on/from such an optical recording medium of such a structure with a light having a wavelength of 600 nm or less. An optical recording method for recording information at higher density.

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Inventors:
KOUCHIYAMA AKIRA (JP)
ARATANI KATSUHISA (JP)
Application Number:
PCT/JP2003/001307
Publication Date:
August 28, 2003
Filing Date:
February 07, 2003
Export Citation:
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Assignee:
SONY CORP (JP)
KOUCHIYAMA AKIRA (JP)
ARATANI KATSUHISA (JP)
International Classes:
B41M5/26; G11B7/004; G11B7/243; G11B7/2433; G11B7/251; (IPC1-7): B41M5/26; G11B7/24
Domestic Patent References:
WO1999020472A11999-04-29
WO2000004536A12000-01-27
Foreign References:
JPS54133134A1979-10-16
US5691091A1997-11-25
US6045889A2000-04-04
JPS6180531A1986-04-24
JPS59177540A1984-10-08
JPS59177539A1984-10-08
JPS5262441A1977-05-23
JPS60118629A1985-06-26
JPS5715148B21982-03-29
Attorney, Agent or Firm:
Nakamura, Tomoyuki c/o Miyoshi International Patent Office 9th Floor (Toranomon Daiichi Building 2-3 Toranomon 1-chome Minato-ku, Tokyo, JP)
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