发明名称 |
Information recording medium |
摘要 |
An information recording medium comprising a substrate, and a recording layer formed thereon which comprises (a) a carbon-based material and (b) an optically reversible material whose optical characteristics can be reversibly changed, with the thermal decomposition temperature of the carbon-based material being higher than the melting point of the optically reversible material.
|
申请公布号 |
US5024927(A) |
申请公布日期 |
1991.06.18 |
申请号 |
US19890417541 |
申请日期 |
1989.10.04 |
申请人 |
RICOH COMPANY, LTD. |
发明人 |
YAMADA, KATSUYUKI;IDE, YUKIO;HARIGAYA, MAKOTO;IWASAKI, HIROKO |
分类号 |
G11B7/0045;G11B7/249;G11B7/257;G11B7/26 |
主分类号 |
G11B7/0045 |
代理机构 |
|
代理人 |
|
主权项 |
|
地址 |
|