| 发明名称 |
Metal mold and stamper for injection molding of a plastic disc for a high-density information recording carrier. |
| 摘要 |
<p>The present invention relates to an improvement in a molding method of a disc, particularly a plastic disc for a high-density information recording carrier such as a video disc, an optical disc and the like, and more particularly an improved metal mold and a stamper to be used for an injection molding of the plastic disc.</p> |
| 申请公布号 |
EP0137246(A2) |
申请公布日期 |
1985.04.17 |
| 申请号 |
EP19840109961 |
申请日期 |
1984.08.21 |
| 申请人 |
DAICEL CHEMICAL INDUSTRIES, LTD. |
发明人 |
OKABAYASHI, NORIO;ONIZAWA, YOSHIO |
| 分类号 |
B29C45/26;B29L17/00;G11B7/26;(IPC1-7):B29D17/00;G11B23/00 |
主分类号 |
B29C45/26 |
| 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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