发明名称 |
Substrate design for bonded storage disks and method of making same |
摘要 |
An improved substrate and stamper holder and method of forming substrates are disclosed. According to a preferred embodiment of the invention, a substrate for a DVD has a moat with a capillary barrier shape. Under one embodiment, the moat has a region with an abrupt outer diameter transition. One embodiment has the outer diameter transition at approximately at a right angle relative to a registering surface of the substrate. Another embodiment of the invention provides a wider moats. The improvements reduce the likelihood of resin wicking past the moats.
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申请公布号 |
US6332944(B1) |
申请公布日期 |
2001.12.25 |
申请号 |
US20000494905 |
申请日期 |
2000.01.31 |
申请人 |
STEAG HAMATECH, INC. |
发明人 |
PAULUS JOSEPH W.;LEBLANC, III ARTHUR R. |
分类号 |
B29C45/26;B29D17/00;G11B7/26;(IPC1-7):B32B7/12;B32B3/02 |
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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