| 发明名称 |
Manufacturing method of a flexible optical disk |
| 摘要 |
A flexible optical disk, includes a disk substrate, wherein a rigidity of the disk is equal to or more than 5 Pa and equal to or less than 5000 Pa where the rigidity is defined as Young's modulus of the disk�(thickness of the disk/radius of the disk)3. |
| 申请公布号 |
US7767117(B2) |
申请公布日期 |
2010.08.03 |
| 申请号 |
US20070808225 |
申请日期 |
2007.06.07 |
| 申请人 |
RICOH COMPANY, LTD. |
发明人 |
MURATA SHOZO;ONAGI NOBUAKI;AMAN YASUTOMO |
| 分类号 |
G11B3/70;B29D17/00;G11B7/24;G11B7/253;G11B7/26 |
主分类号 |
G11B3/70 |
| 代理机构 |
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代理人 |
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| 主权项 |
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| 地址 |
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