| 发明名称 |
OPTICAL RECORDING MEDIUM, METHOD FOR OPTICAL RECORDING USING THE MEDIUM, AND OPTICAL RECORDING APPARATUS |
| 摘要 |
<P>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. <P>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. <P>COPYRIGHT: (C)2004,JPO |
| 申请公布号 |
JP2003335060(A) |
申请公布日期 |
2003.11.25 |
| 申请号 |
JP20020143691 |
申请日期 |
2002.05.17 |
| 申请人 |
RICOH CO LTD;KYOWA HAKKO KOGYO CO LTD;KYOWA YUKA CO LTD |
发明人 |
NOGUCHI SO;SATO TSUTOMU;TOMURA TATSUYA;UENO YASUNOBU;YASHIRO TORU;IWAMI TOMOZO;SHIMIZU IKUO;KINUGASA MOTOHARU;TOYODA HIROSHI;YAMADA SHIHO |
| 分类号 |
B41M5/26;C09B23/00;C09B47/18;C09B47/20;C09B47/22;C09B50/06;C09B50/10;C09B57/00;G11B7/24;G11B7/244;G11B7/258 |
主分类号 |
B41M5/26 |
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