发明名称 |
OPTICAL INFORMATION MEDIUM |
摘要 |
<p>The present invention provides an optical information medium having a dye recording layer, an adhesive layer and a light transmission layer in this order on a groove provided on a substrate, wherein recording and reproduction are carried out by allowing a laser beam to enter an in-groove portion from the light transmission layer, wherein:
D×W is 5,000 nm 2 or more wherein the depth of the groove is D (nm) and the width of the groove is W (nm), and
the thickness of the dye recording layer in the in-groove portion is 0.7 D to 2.4 D (nm).</p> |
申请公布号 |
EP1811514(A1) |
申请公布日期 |
2007.07.25 |
申请号 |
EP20050795501 |
申请日期 |
2005.10.18 |
申请人 |
FUJIFILM CORPORATION |
发明人 |
KATAYAMA, KAZUTOSHI;USAMI, YOSHIHISA;KAKUTA, TAKESHI |
分类号 |
G11B7/007;G11B7/24079;G11B7/246;G11B7/2467;G11B7/247;G11B7/2472;G11B7/2478;G11B7/249;G11B7/2492;G11B7/253;G11B7/2534;G11B7/254;G11B7/2542;G11B7/257;G11B7/258;G11B7/2585;G11B7/259;G11B7/2595 |
主分类号 |
G11B7/007 |
代理机构 |
|
代理人 |
|
主权项 |
|
地址 |
|