发明名称 |
DISC-SHAPED HIGH-DENSITY RECORDING MEDIUMS. |
摘要 |
<p>Optical recording mediums comprising a substrate and a recording layer and a light transmitting layer sequentially disposed on the substrate; wherein the substrate comprises one or more parts selected from the group consisting of injection molded parts, injection molded sandwich structures having a molded surface layer and a molded core layer or two injection molded parts which are UV-bonded, and combinations thereof; and wherein the substrate has a Young's modulus E of at least 2.15 GPa and a Q factor of lower than 160 measured at 25 °C at 2000 Hz in accordance to ASTM E 756-05.</p> |
申请公布号 |
MX2010003704(A) |
申请公布日期 |
2010.05.17 |
申请号 |
MX20100003704 |
申请日期 |
2008.10.07 |
申请人 |
BAYER MATERIALSCIENCE AG |
发明人 |
HAESE, WILFRIED;BRUDER, FRIEDRICH-KARL;WEIKARD, JAN;FISCHER, WOLFGANG;OSER, RAFAEL;PROTTE, RAINER;WEHRLE, JOERG;HILDENBRAND, KARLHEINZ |
分类号 |
G11B7/253;G11B7/2534;G11B7/2536;G11B7/2538;G11B7/254;G11B7/2545 |
主分类号 |
G11B7/253 |
代理机构 |
|
代理人 |
|
主权项 |
|
地址 |
|