Title:
光記録媒体および光記録方法
Document Type and Number:
Japanese Patent JP4249914
Kind Code:
B2
Abstract:
PROBLEM TO BE SOLVED: To provide a recording material in an optical recording medium having excellent light resistance and preservation stability applicable to a DVD-R disk system using a semiconductor laser having an oscillation wavelength in a shorter wavelength as compared with that of a conventional system and to provide the optical recording medium and an optical recorder which carries the optical recording medium. SOLUTION: The optical recording medium comprises at least a recording layer provided on a substrate and containing at least one type selected from the group consisting of an azo compound represented by formula (1), and an azo metal chelate compound made of a metal, a metal oxide or its salt.
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Inventors:
Yasunobu Ueno
Application Number:
JP2001160852A
Publication Date:
April 08, 2009
Filing Date:
May 29, 2001
Export Citation:
Assignee:
株式会社リコー
International Classes:
B41M5/26; C09B45/00; G11B7/0045; G11B7/24035; G11B7/24079; G11B7/244; G11B7/2467; G11B7/249
Domestic Patent References:
| JP2000168237A | ||||
| JP9058123A | ||||
| JP10058828A | ||||
| JP2000190641A | ||||
| JP2002079755A | ||||
| JP2002274040A | ||||
| JP2002283732A |
Attorney, Agent or Firm:
Koichi Hirota
Kazuhiko Kato
Yasushi Suzuki
Michitaka Sasaki
Kazuhiko Kato
Yasushi Suzuki
Michitaka Sasaki