Title:
OPTICAL RECORDING MEDIUM, METHOD FOR OPTICAL RECORDING USING THE MEDIUM, AND OPTICAL RECORDING APPARATUS
Document Type and Number:
Japanese Patent JP3739722
Kind Code:
B2
Abstract:
PROBLEM TO BE SOLVED: To provide an optical recording medium applicable to a write-once DVD disk system using a semiconductor laser having an oscillation wavelength on a shorter wavelength side in comparison with a conventional optical recording medium.
SOLUTION: The optical recording medium provided with a recording layer on a base, is characterized by comprising (i) a formazane metal chelate compound composed of a formazane compound and a metal, (ii) a squalilium metal chelate compound composed of a squalilium compound and a metal, and (iii) a phthalocyanine compound.
Inventors:
Mune Noguchi
Tsutomu Sato
Tatsuya Tomura
Yasunobu Ueno
Toru Yatsushiro
Chizo Iwami
Ikuo Shimizu
Kinugasa Motoharu
Hiroshi Toyoda
Shiho Yamada
Tsutomu Sato
Tatsuya Tomura
Yasunobu Ueno
Toru Yatsushiro
Chizo Iwami
Ikuo Shimizu
Kinugasa Motoharu
Hiroshi Toyoda
Shiho Yamada
Application Number:
JP2002143691A
Publication Date:
January 25, 2006
Filing Date:
May 17, 2002
Export Citation:
Assignee:
株式会社リコー
協和醗酵工業株式会社
協和発酵ケミカル株式会社
協和醗酵工業株式会社
協和発酵ケミカル株式会社
International Classes:
B41M5/26; C09B23/00; C09B47/18; C09B47/20; C09B47/22; C09B50/06; C09B50/10; C09B57/00; G11B7/24035; G11B7/24079; G11B7/244; G11B7/249; G11B7/258; G11B7/2585; G11B7/259; (IPC1-7): B41M5/26; G11B7/24; //C09B23/00; C09B47/18; C09B47/20; C09B47/22; C09B50/06; C09B50/10; C09B57/00
Domestic Patent References:
| JP8295079A | ||||
| JP2002011950A | ||||
| JP2001063212A | ||||
| JP7266703A | ||||
| JP62124987A | ||||
| JP2001322356A |
Attorney, Agent or Firm:
Koichi Hirota
Toshiaki Ikeura
Toshiaki Ikeura
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