WIPO logo
Mobile | Deutsch | Español | Français | 日本語 | 한국어 | Português | Русский | 中文 | العربية |
PATENTSCOPE

Search International and National Patent Collections
World Intellectual Property Organization
Search
 
Browse
 
Translate
 
Options
 
News
 
Login
 
Help
 
Machine translation
1. (WO1987001076) OPTICAL RECORDING MEDIUM
Latest bibliographic data on file with the International Bureau   

Pub. No.:    WO/1987/001076    International Application No.:    PCT/JP1986/000412
Publication Date: 26.02.1987 International Filing Date: 12.08.1986
IPC:
G11B 7/248 (2006.01)
Applicants: MITSUBISHI CHEMICAL INDUSTRIES LIMITED [JP/JP]; 5-2, Marunouchi 2-chome, Chiyoda-ku, Tokyo 100 (JP) (For All Designated States Except US).
OZAWA, Tetsuo [JP/JP]; (JP) (For US Only).
MAEDA, Shuichi [JP/JP]; (JP) (For US Only).
KUROSE, Yutaka [JP/JP]; (JP) (For US Only)
Inventors: OZAWA, Tetsuo; (JP).
MAEDA, Shuichi; (JP).
KUROSE, Yutaka; (JP)
Agent: YAMAMOTO, Ryozo @; Torimoto Kogyo Building, 38, Kanda-Higashimatsushitacho, Chiyoda-ku, Tokyo 101 (JP)
Priority Data:
60/178221 13.08.1985 JP
Title (EN) OPTICAL RECORDING MEDIUM
(FR) SUPPORT D'ENREGISTREMENT OPTIQUE
Abstract: front page image
(EN)An optical recording medium for conducting recording and reproduction by applying laser beam to thereby change the state of a substance, which comprises a base plate having formed theron a recording layer containing a phthalocyanine compound and/or a naphthalocyanine compound represented by following general formula (I), wherein R?1¿ to R?4¿ each represents substituted and/or unsubstituted alkyl, alkoxyalkyl, aryl, or the like, and A represents Pb, Sn, Cu, Ni, VO, etc.
(FR)Support d'enregistrement optique permettant l'enregistrement et la reproduction grâce à l'application d'un faisceau laser qui change l'état de la substance. Ce support comprend une plaque de base sur laquelle est déposée une couche d'enregistrement contenant un composé de phthalocyanine et/ou un composé de naphthalocyanine représenté par la formule générale (I), où R?1¿ à R?4¿ représentent chacun alkyle, alkoxyalkyle, aryle substitués ou non substitués ou analogues et A représente Pb, Sn, Cu, Ni, VO, etc.
Designated States: US.
European Patent Office (DE, FR, GB, NL).
Publication Language: Japanese (JA)
Filing Language: Japanese (JA)